Tag 4.3.24

Built from https://develop.svn.wordpress.org/tags/4.3.24@48021 git-svn-id: http://core.svn.wordpress.org/tags/4.3.24@47789 1a063a9b-81f0-0310-95a4-ce76da25c4cd
WordPress 4.3.24.
2020-06-10 21:46:31 +00:00 · 2020-06-10 21:39:14 +00:00 · 2020-06-10 19:04:18 +00:00 · 2020-04-29 18:26:19 +00:00 · 2020-04-29 18:03:06 +00:00 · 2020-04-29 16:49:18 +00:00
36 changed files with 7234 additions and 6270 deletions
--- a/license.txt
+++ b/license.txt
@@ -1,6 +1,6 @@
 WordPress - Web publishing software

-Copyright 2017 by the contributors
+Copyright 2018 by the contributors

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
--- a/readme.html
+++ b/readme.html
@@ -9,7 +9,6 @@
 <body>
 <h1 id="logo">
 	<a href="https://wordpress.org/"><img alt="WordPress" src="wp-admin/images/wordpress-logo.png" /></a>
-	<br /> Version 4.3.12
 </h1>
 <p style="text-align: center">Semantic Personal Publishing Platform</p>

--- a/wp-activate.php
+++ b/wp-activate.php
@@ -18,6 +18,50 @@ if ( !is_multisite() ) {
 	die();
 }

+$valid_error_codes = array( 'already_active', 'blog_taken' );
+
+list( $activate_path ) = explode( '?', wp_unslash( $_SERVER['REQUEST_URI'] ) );
+$activate_cookie = 'wp-activate-' . COOKIEHASH;
+
+$key    = '';
+$result = null;
+
+if ( isset( $_GET['key'] ) && isset( $_POST['key'] ) && $_GET['key'] !== $_POST['key'] ) {
+	wp_die( __( 'A key value mismatch has been detected. Please follow the link provided in your activation email.' ), __( 'An error occurred during the activation' ), 400 );
+} elseif ( ! empty( $_GET['key'] ) ) {
+	$key = $_GET['key'];
+} elseif ( ! empty( $_POST['key'] ) ) {
+	$key = $_POST['key'];
+}
+
+if ( $key ) {
+	$redirect_url = remove_query_arg( 'key' );
+
+	if ( $redirect_url !== remove_query_arg( false ) ) {
+		setcookie( $activate_cookie, $key, 0, $activate_path, COOKIE_DOMAIN, is_ssl(), true );
+		wp_safe_redirect( $redirect_url );
+		exit;
+	} else {
+		$result = wpmu_activate_signup( $key );
+	}
+}
+
+if ( $result === null && isset( $_COOKIE[ $activate_cookie ] ) ) {
+	$key    = $_COOKIE[ $activate_cookie ];
+	$result = wpmu_activate_signup( $key );
+	setcookie( $activate_cookie, ' ', time() - YEAR_IN_SECONDS, $activate_path, COOKIE_DOMAIN, is_ssl(), true );
+}
+
+if ( $result === null || ( is_wp_error( $result ) && 'invalid_key' === $result->get_error_code() ) ) {
+	status_header( 404 );
+} elseif ( is_wp_error( $result ) ) {
+	$error_code = $result->get_error_code();
+
+	if ( ! in_array( $error_code, $valid_error_codes ) ) {
+		status_header( 400 );
+	}
+}
+
 if ( is_object( $wp_object_cache ) )
 	$wp_object_cache->cache_enabled = false;

@@ -63,12 +107,13 @@ function wpmu_activate_stylesheet() {
 	<?php
 }
 add_action( 'wp_head', 'wpmu_activate_stylesheet' );
+add_action( 'wp_head', 'wp_sensitive_page_meta' );

 get_header();
 ?>

 <div id="content" class="widecolumn">
-	<?php if ( empty($_GET['key']) && empty($_POST['key']) ) { ?>
+	<?php if ( ! $key ) { ?>

 		<h2><?php _e('Activation Key Required') ?></h2>
 		<form name="activateform" id="activateform" method="post" action="<?php echo network_site_url('wp-activate.php'); ?>">
@@ -82,28 +127,25 @@ get_header();
 		</form>

 	<?php } else {
-
-		$key = !empty($_GET['key']) ? $_GET['key'] : $_POST['key'];
-		$result = wpmu_activate_signup( $key );
-		if ( is_wp_error($result) ) {
-			if ( 'already_active' == $result->get_error_code() || 'blog_taken' == $result->get_error_code() ) {
-			    $signup = $result->get_error_data();
-				?>
-				<h2><?php _e('Your account is now active!'); ?></h2>
-				<?php
-				echo '<p class="lead-in">';
-				if ( $signup->domain . $signup->path == '' ) {
-					printf( __('Your account has been activated. You may now <a href="%1$s">log in</a> to the site using your chosen username of &#8220;%2$s&#8221;. Please check your email inbox at %3$s for your password and login instructions. If you do not receive an email, please check your junk or spam folder. If you still do not receive an email within an hour, you can <a href="%4$s">reset your password</a>.'), network_site_url( 'wp-login.php', 'login' ), $signup->user_login, $signup->user_email, wp_lostpassword_url() );
-				} else {
-					printf( __('Your site at <a href="%1$s">%2$s</a> is active. You may now log in to your site using your chosen username of &#8220;%3$s&#8221;. Please check your email inbox at %4$s for your password and login instructions. If you do not receive an email, please check your junk or spam folder. If you still do not receive an email within an hour, you can <a href="%5$s">reset your password</a>.'), 'http://' . $signup->domain, $signup->domain, $signup->user_login, $signup->user_email, wp_lostpassword_url() );
-				}
-				echo '</p>';
+		if ( is_wp_error( $result ) && in_array( $result->get_error_code(), $valid_error_codes ) ) {
+			$signup = $result->get_error_data();
+			?>
+			<h2><?php _e('Your account is now active!'); ?></h2>
+			<?php
+			echo '<p class="lead-in">';
+			if ( $signup->domain . $signup->path == '' ) {
+				printf( __('Your account has been activated. You may now <a href="%1$s">log in</a> to the site using your chosen username of &#8220;%2$s&#8221;. Please check your email inbox at %3$s for your password and login instructions. If you do not receive an email, please check your junk or spam folder. If you still do not receive an email within an hour, you can <a href="%4$s">reset your password</a>.'), network_site_url( 'wp-login.php', 'login' ), $signup->user_login, $signup->user_email, wp_lostpassword_url() );
 			} else {
-				?>
-				<h2><?php _e('An error occurred during the activation'); ?></h2>
-				<?php
-			    echo '<p>'.$result->get_error_message().'</p>';
+				printf( __('Your site at <a href="%1$s">%2$s</a> is active. You may now log in to your site using your chosen username of &#8220;%3$s&#8221;. Please check your email inbox at %4$s for your password and login instructions. If you do not receive an email, please check your junk or spam folder. If you still do not receive an email within an hour, you can <a href="%5$s">reset your password</a>.'), 'http://' . $signup->domain, $signup->domain, $signup->user_login, $signup->user_email, wp_lostpassword_url() );
 			}
+			echo '</p>';
+		} elseif ( $result === null || is_wp_error( $result ) ) {
+			?>
+			<h2><?php _e('An error occurred during the activation'); ?></h2>
+			<?php if ( is_wp_error( $result ) ) {
+				echo '<p>' . $result->get_error_message() . '</p>';
+			} ?>
+			<?php
 		} else {
 			$url = isset( $result['blog_id'] ) ? get_blogaddress_by_id( (int) $result['blog_id'] ) : '';
 			$user = get_userdata( (int) $result['user_id'] );
--- a/wp-admin/about.php
+++ b/wp-admin/about.php
@@ -108,7 +108,152 @@ $tech_features = array(
 		</h2>

 		<div class="changelog point-releases">
-			<h3><?php echo _n( 'Maintenance and Security Release', 'Maintenance and Security Releases', 12 ); ?></h3>
+			<h3><?php echo _n( 'Maintenance and Security Release', 'Maintenance and Security Releases', 24 ); ?></h3>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'4.3.24'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '4.3.24' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'4.3.23'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '4.3.23' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed one security issue.' ),
+					'4.3.22'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '4.3.22' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'4.3.21'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '4.3.21' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'4.3.20'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '4.3.20' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed a security issue.' ),
+					'4.3.19'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '4.3.19' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				/* translators: %s: WordPress version number */
+				printf( __( '<strong>Version %s</strong> addressed some security issues.' ), '4.3.18' );
+				?>
+				<?php
+				/* translators: %s: Codex URL */
+				printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.3.18' );
+				?>
+			</p>
+			<p><?php printf( __( '<strong>Version %s</strong> addressed one security issue.' ), '4.3.17' ); ?>
+				<?php printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.3.17' ); ?>
+			</p>
+			<p><?php printf( __( '<strong>Version %s</strong> addressed some security issues.' ), '4.3.16' ); ?>
+				<?php printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.3.16' ); ?>
+			</p>
+			<p><?php printf( __( '<strong>Version %s</strong> addressed one security issue.' ), '4.3.15' ); ?>
+				<?php printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.3.15' ); ?>
+			</p>
+			<p><?php printf( __( '<strong>Version %s</strong> addressed some security issues.' ), '4.3.14' ); ?>
+				<?php printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.3.14' ); ?>
+			</p>
+			<p><?php printf( __( '<strong>Version %s</strong> addressed one security issue.' ), '4.3.13' ); ?>
+				<?php printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.3.13' ); ?>
+			</p>
 			<p><?php printf( _n( '<strong>Version %1$s</strong> addressed a security issue.',
 					'<strong>Version %1$s</strong> addressed some security issues.', 8 ), '4.3.12' ); ?>
 				<?php printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.3.12' ); ?>
--- a/wp-admin/async-upload.php
+++ b/wp-admin/async-upload.php
@@ -32,7 +32,7 @@ if ( ! ( isset( $_REQUEST['action'] ) && 'upload-attachment' == $_REQUEST['actio

 require_once( ABSPATH . 'wp-admin/admin.php' );

-header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
+header( 'Content-Type: text/plain; charset=' . get_option( 'blog_charset' ) );

 if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {
 	include( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
--- a/wp-admin/includes/ajax-actions.php
+++ b/wp-admin/includes/ajax-actions.php
@@ -974,6 +974,8 @@ function wp_ajax_replyto_comment( $action ) {
 			if ( wp_create_nonce( 'unfiltered-html-comment' ) != $_POST['_wp_unfiltered_html_comment'] ) {
 				kses_remove_filters(); // start with a clean slate
 				kses_init_filters(); // set up the filters
+				remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
+				add_filter( 'pre_comment_content', 'wp_filter_kses' );
 			}
 		}
 	} else {
@@ -1893,7 +1895,7 @@ function wp_ajax_upload_attachment() {
 			'success' => false,
 			'data'    => array(
 				'message'  => __( "You don't have permission to upload files." ),
-				'filename' => $_FILES['async-upload']['name'],
+				'filename' => esc_html( $_FILES['async-upload']['name'] ),
 			)
 		) );

@@ -1907,7 +1909,7 @@ function wp_ajax_upload_attachment() {
 				'success' => false,
 				'data'    => array(
 					'message'  => __( "You don't have permission to attach files to this post." ),
-					'filename' => $_FILES['async-upload']['name'],
+					'filename' => esc_html( $_FILES['async-upload']['name'] ),
 				)
 			) );

@@ -1917,7 +1919,11 @@ function wp_ajax_upload_attachment() {
 		$post_id = null;
 	}

-	$post_data = isset( $_REQUEST['post_data'] ) ? $_REQUEST['post_data'] : array();
+	$post_data = ! empty( $_REQUEST['post_data'] ) ? _wp_get_allowed_postdata( _wp_translate_postdata( false, (array) $_REQUEST['post_data'] ) ) : array();
+
+	if ( is_wp_error( $post_data ) ) {
+		wp_die( $post_data->get_error_message() );
+	}

 	// If the context is custom header or background, make sure the uploaded file is an image.
 	if ( isset( $post_data['context'] ) && in_array( $post_data['context'], array( 'custom-header', 'custom-background' ) ) ) {
@@ -1927,7 +1933,7 @@ function wp_ajax_upload_attachment() {
 				'success' => false,
 				'data'    => array(
 					'message'  => __( 'The uploaded file is not a valid image. Please try again.' ),
-					'filename' => $_FILES['async-upload']['name'],
+					'filename' => esc_html( $_FILES['async-upload']['name'] ),
 				)
 			) );

@@ -1942,7 +1948,7 @@ function wp_ajax_upload_attachment() {
 			'success' => false,
 			'data'    => array(
 				'message'  => $attachment_id->get_error_message(),
-				'filename' => $_FILES['async-upload']['name'],
+				'filename' => esc_html( $_FILES['async-upload']['name'] ),
 			)
 		) );

--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -2766,8 +2766,11 @@ function edit_form_image_editor( $post ) {
 	<label for="content"><strong><?php _e( 'Description' ); ?></strong><?php
 	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
 		echo ': ' . __( 'Displayed on attachment pages.' );
-	} ?></label>
-	<?php wp_editor( $post->post_content, 'attachment_content', $editor_args ); ?>
+	}
+
+	?>
+	</label>
+	<?php wp_editor( format_to_edit( $post->post_content ), 'attachment_content', $editor_args ); ?>

 	</div>
 	<?php
--- a/wp-admin/includes/misc.php
+++ b/wp-admin/includes/misc.php
@@ -413,24 +413,46 @@ function set_screen_options() {
 					return;
 				break;
 			default:
+				if ( '_page' === substr( $option, -5 ) || 'layout_columns' === $option ) {
+					/**
+					 * Filters a screen option value before it is set.
+					 *
+					 * The filter can also be used to modify non-standard [items]_per_page
+					 * settings. See the parent function for a full list of standard options.
+					 *
+					 * Returning false to the filter will skip saving the current option.
+					 *
+					 * @since 2.8.0
+					 * @since 5.4.2 Only applied to options ending with '_page',
+					 *              or the 'layout_columns' option.
+					 *
+					 * @see set_screen_options()
+					 *
+					 * @param bool   $keep   Whether to save or skip saving the screen option value.
+					 *                       Default false.
+					 * @param string $option The option name.
+					 * @param int    $value  The number of rows to use.
+					 */
+					$value = apply_filters( 'set-screen-option', false, $option, $value ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+				}

 				/**
 				 * Filter a screen option value before it is set.
 				 *
-				 * The filter can also be used to modify non-standard [items]_per_page
-				 * settings. See the parent function for a full list of standard options.
+				 * The dynamic portion of the hook, `$option`, refers to the option name.
 				 *
 				 * Returning false to the filter will skip saving the current option.
 				 *
-				 * @since 2.8.0
+				 * @since 5.4.2
 				 *
 				 * @see set_screen_options()
 				 *
-				 * @param bool|int $value  Screen option value. Default false to skip.
-				 * @param string   $option The option name.
-				 * @param int      $value  The number of rows to use.
+				 * @param bool   $keep   Whether to save or skip saving the screen option value.
+				 *                       Default false.
+				 * @param string $option The option name.
+				 * @param int    $value  The number of rows to use.
 				 */
-				$value = apply_filters( 'set-screen-option', false, $option, $value );
+				$value = apply_filters( "set_screen_option_{$option}", false, $option, $value );

 				if ( false === $value )
 					return;
--- a/wp-admin/includes/post.php
+++ b/wp-admin/includes/post.php
@@ -175,6 +175,27 @@ function _wp_translate_postdata( $update = false, $post_data = null ) {
 	return $post_data;
 }

+/**
+ * Returns only allowed post data fields
+ *
+ * @since 4.9.9
+ *
+ * @param array $post_data Array of post data. Defaults to the contents of $_POST.
+ * @return object|bool WP_Error on failure, true on success.
+ */
+function _wp_get_allowed_postdata( $post_data = null ) {
+	if ( empty( $post_data ) ) {
+		$post_data = $_POST;
+	}
+
+	// Pass through errors
+	if ( is_wp_error( $post_data ) ) {
+		return $post_data;
+	}
+
+	return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) );
+}
+
 /**
 * Update an existing post with values provided in $_POST.
 *
@@ -243,6 +264,7 @@ function edit_post( $post_data = null ) {
 	$post_data = _wp_translate_postdata( true, $post_data );
 	if ( is_wp_error($post_data) )
 		wp_die( $post_data->get_error_message() );
+	$translated = _wp_get_allowed_postdata( $post_data );

 	// Post Formats
 	if ( isset( $post_data['post_format'] ) )
@@ -320,7 +342,7 @@ function edit_post( $post_data = null ) {
 		$attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();

 		/** This filter is documented in wp-admin/includes/media.php */
-		$post_data = apply_filters( 'attachment_fields_to_save', $post_data, $attachment_data );
+		$translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data );
 	}

 	// Convert taxonomy input to term IDs, to avoid ambiguity.
@@ -365,7 +387,7 @@ function edit_post( $post_data = null ) {
 				}
 			}

-			$post_data['tax_input'][ $taxonomy ] = $clean_terms;
+			$translated['tax_input'][ $taxonomy ] = $clean_terms;
 		}
 	}

@@ -373,18 +395,18 @@ function edit_post( $post_data = null ) {

 	update_post_meta( $post_ID, '_edit_last', get_current_user_id() );

-	$success = wp_update_post( $post_data );
+	$success = wp_update_post( $translated );
 	// If the save failed, see if we can sanity check the main fields and try again
 	if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {
 		$fields = array( 'post_title', 'post_content', 'post_excerpt' );

 		foreach( $fields as $field ) {
-			if ( isset( $post_data[ $field ] ) ) {
-				$post_data[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $post_data[ $field ] );
+			if ( isset( $translated[ $field ] ) ) {
+				$translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] );
 			}
 		}

-		wp_update_post( $post_data );
+		wp_update_post( $translated );
 	}

 	// Now that we have an ID we can fix any attachment anchor hrefs
@@ -544,9 +566,9 @@ function bulk_edit_posts( $post_data = null ) {
 			unset( $post_data['tax_input']['category'] );
 		}

+		$post_data['post_ID']        = $post_ID;
 		$post_data['post_type'] = $post->post_type;
 		$post_data['post_mime_type'] = $post->post_mime_type;
-		$post_data['guid'] = $post->guid;

 		foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
 			if ( ! isset( $post_data[ $field ] ) ) {
@@ -554,14 +576,12 @@ function bulk_edit_posts( $post_data = null ) {
 			}
 		}

-		$post_data['ID'] = $post_ID;
-		$post_data['post_ID'] = $post_ID;
-
 		$post_data = _wp_translate_postdata( true, $post_data );
 		if ( is_wp_error( $post_data ) ) {
 			$skipped[] = $post_ID;
 			continue;
 		}
+		$post_data = _wp_get_allowed_postdata( $post_data );

 		$updated[] = wp_update_post( $post_data );

@@ -572,8 +592,8 @@ function bulk_edit_posts( $post_data = null ) {
 				unstick_post( $post_ID );
 		}

-		if ( isset( $post_data['post_format'] ) )
-			set_post_format( $post_ID, $post_data['post_format'] );
+		if ( isset( $shared_post_data['post_format'] ) )
+			set_post_format( $post_ID, $shared_post_data['post_format'] );
 	}

 	return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );
@@ -753,9 +773,10 @@ function wp_write_post() {
 	$translated = _wp_translate_postdata( false );
 	if ( is_wp_error($translated) )
 		return $translated;
+	$translated = _wp_get_allowed_postdata( $translated );

 	// Create the post.
-	$post_ID = wp_insert_post( $_POST );
+	$post_ID = wp_insert_post( $translated );
 	if ( is_wp_error( $post_ID ) )
 		return $post_ID;

@@ -1634,6 +1655,7 @@ function wp_create_post_autosave( $post_data ) {
 	$post_data = _wp_translate_postdata( true, $post_data );
 	if ( is_wp_error( $post_data ) )
 		return $post_data;
+	$post_data = _wp_get_allowed_postdata( $post_data );

 	$post_author = get_current_user_id();

--- a/wp-admin/includes/screen.php
+++ b/wp-admin/includes/screen.php
@@ -469,7 +469,9 @@ final class WP_Screen {

 			switch ( $base ) {
 				case 'post' :
-					if ( isset( $_GET['post'] ) )
+					if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] )
+						wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
+					elseif ( isset( $_GET['post'] ) )
 						$post_id = (int) $_GET['post'];
 					elseif ( isset( $_POST['post_ID'] ) )
 						$post_id = (int) $_POST['post_ID'];
--- a/wp-admin/includes/update-core.php
+++ b/wp-admin/includes/update-core.php
@@ -700,6 +700,9 @@ $_old_files = array(
 'wp-admin/js/wp-fullscreen.min.js',
 'wp-includes/js/tinymce/wp-mce-help.php',
 'wp-includes/js/tinymce/plugins/wpfullscreen',
+// 4.9.2
+'wp-includes/js/mediaelement/flashmediaelement.swf',
+'wp-includes/js/mediaelement/silverlightmediaelement.xap',
 );

 /**
@@ -1067,7 +1070,11 @@ function update_core($from, $to) {
 		$old_file = $to . $old_file;
 		if ( !$wp_filesystem->exists($old_file) )
 			continue;
-		$wp_filesystem->delete($old_file, true);
+
+		// If the file isn't deleted, try writing an empty string to the file instead.
+		if ( ! $wp_filesystem->delete( $old_file, true ) && $wp_filesystem->is_file( $old_file ) ) {
+			$wp_filesystem->put_contents( $old_file, '' );
+		}
 	}

 	// Remove any Genericons example.html's from the filesystem
--- a/wp-admin/post.php
+++ b/wp-admin/post.php
@@ -16,7 +16,9 @@ $submenu_file = 'edit.php';

 wp_reset_vars( array( 'action' ) );

-if ( isset( $_GET['post'] ) )
+if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] )
+	wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
+elseif ( isset( $_GET['post'] ) )
 	$post_id = $post_ID = (int) $_GET['post'];
 elseif ( isset( $_POST['post_ID'] ) )
 	$post_id = $post_ID = (int) $_POST['post_ID'];
@@ -87,6 +89,10 @@ function redirect_post($post_id = '') {
 	exit;
 }

+if ( isset( $_POST['post_type'] ) && $post && $post_type !== $_POST['post_type'] ) {
+	wp_die( __( 'A post type mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
+}
+
 if ( isset( $_POST['deletepost'] ) )
 	$action = 'delete';
 elseif ( isset($_POST['wp-preview']) && 'dopreview' == $_POST['wp-preview'] )
@@ -228,7 +234,7 @@ case 'editattachment':

 	// Update the thumbnail filename
 	$newmeta = wp_get_attachment_metadata( $post_id, true );
-	$newmeta['thumb'] = $_POST['thumb'];
+	$newmeta['thumb'] = wp_basename( $_POST['thumb'] );

 	wp_update_attachment_metadata( $post_id, $newmeta );

--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -285,7 +285,7 @@ $can_delete = current_user_can( 'delete_themes' );
 	</tr>
 	<?php foreach ( $broken_themes as $broken_theme ) : ?>
 		<tr>
-			<td><?php echo $broken_theme->get( 'Name' ) ? $broken_theme->display( 'Name' ) : $broken_theme->get_stylesheet(); ?></td>
+			<td><?php echo $broken_theme->get( 'Name' ) ? $broken_theme->display( 'Name' ) : esc_html( $broken_theme->get_stylesheet() ); ?></td>
 			<td><?php echo $broken_theme->errors()->get_error_message(); ?></td>
 			<?php
 			if ( $can_delete ) {
--- a/wp-admin/user-new.php
+++ b/wp-admin/user-new.php
@@ -74,7 +74,7 @@ if ( isset($_REQUEST['action']) && 'adduser' == $_REQUEST['action'] ) {
 			add_existing_user_to_blog( array( 'user_id' => $user_id, 'role' => $_REQUEST[ 'role' ] ) );
 			$redirect = add_query_arg( array('update' => 'addnoconfirmation'), 'user-new.php' );
 		} else {
-			$newuser_key = substr( md5( $user_id ), 0, 5 );
+			$newuser_key = wp_generate_password( 20, false );
 			add_option( 'new_user_' . $newuser_key, array( 'user_id' => $user_id, 'email' => $user_details->user_email, 'role' => $_REQUEST[ 'role' ] ) );

 			$roles = get_editable_roles();
--- a/wp-comments-post.php
+++ b/wp-comments-post.php
@@ -108,6 +108,8 @@ if ( $user->exists() ) {
 		) {
 			kses_remove_filters(); // start with a clean slate
 			kses_init_filters(); // set up the filters
+			remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
+			add_filter( 'pre_comment_content', 'wp_filter_kses' );
 		}
 	}
 } else {
--- a/wp-includes/cache.php
+++ b/wp-includes/cache.php
@@ -653,7 +653,7 @@ class WP_Object_Cache {
 		echo "</p>";
 		echo '<ul>';
 		foreach ($this->cache as $group => $cache) {
-			echo "<li><strong>Group:</strong> $group - ( " . number_format( strlen( serialize( $cache ) ) / 1024, 2 ) . 'k )</li>';
+			echo '<li><strong>Group:</strong> ' . esc_html( $group ) . ' - ( ' . number_format( strlen( serialize( $cache ) ) / KB_IN_BYTES, 2 ) . 'k )</li>';
 		}
 		echo '</ul>';
 	}
--- a/wp-includes/class-wp.php
+++ b/wp-includes/class-wp.php
@@ -15,7 +15,7 @@ class WP {
 	 * @access public
 	 * @var array
 	 */
-	public $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type');
+	public $public_query_vars = array( 'm', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type', 'embed' );

 	/**
 	 * Private query variables.
@@ -268,6 +268,8 @@ class WP {
 		foreach ( $this->public_query_vars as $wpvar ) {
 			if ( isset( $this->extra_query_vars[$wpvar] ) )
 				$this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];
+			elseif ( isset( $_GET[ $wpvar ] ) && isset( $_POST[ $wpvar ] ) && $_GET[ $wpvar ] !== $_POST[ $wpvar ] )
+				wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
 			elseif ( isset( $_POST[$wpvar] ) )
 				$this->query_vars[$wpvar] = $_POST[$wpvar];
 			elseif ( isset( $_GET[$wpvar] ) )
--- a/wp-includes/feed.php
+++ b/wp-includes/feed.php
@@ -469,7 +469,7 @@ function rss_enclosure() {
 				 *
 				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
 				 */
-				echo apply_filters( 'rss_enclosure', '<enclosure url="' . trim( htmlspecialchars( $enclosure[0] ) ) . '" length="' . trim( $enclosure[1] ) . '" type="' . $type . '" />' . "\n" );
+				echo apply_filters( 'rss_enclosure', '<enclosure url="' . esc_url( trim( $enclosure[0] ) ) . '" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( $type ) . '" />' . "\n" );
 			}
 		}
 	}
@@ -503,7 +503,7 @@ function atom_enclosure() {
 				 *
 				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
 				 */
-				echo apply_filters( 'atom_enclosure', '<link href="' . trim( htmlspecialchars( $enclosure[0] ) ) . '" rel="enclosure" length="' . trim( $enclosure[1] ) . '" type="' . trim( $enclosure[2] ) . '" />' . "\n" );
+				echo apply_filters( 'atom_enclosure', '<link href="' . esc_url( trim( $enclosure[0] ) ) . '" rel="enclosure" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( trim( $enclosure[2] ) ) . '" />' . "\n" );
 			}
 		}
 	}
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -1309,6 +1309,24 @@ function remove_accents( $string ) {
 function sanitize_file_name( $filename ) {
 	$filename_raw = $filename;
 	$special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", chr(0));
+
+	// Check for support for utf8 in the installed PCRE library once and store the result in a static.
+	static $utf8_pcre = null;
+	if ( ! isset( $utf8_pcre ) ) {
+		// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
+		$utf8_pcre = @preg_match( '/^./u', 'a' );
+	}
+
+	if ( ! seems_utf8( $filename ) ) {
+		$_ext     = pathinfo( $filename, PATHINFO_EXTENSION );
+		$_name    = pathinfo( $filename, PATHINFO_FILENAME );
+		$filename = sanitize_title_with_dashes( $_name ) . '.' . $_ext;
+	}
+
+	if ( $utf8_pcre ) {
+		$filename = preg_replace( "#\x{00a0}#siu", ' ', $filename );
+	}
+
 	/**
 	 * Filter the list of characters to remove from a filename.
 	 *
@@ -1318,7 +1336,6 @@ function sanitize_file_name( $filename ) {
 	 * @param string $filename_raw  Filename as it was passed into sanitize_file_name().
 	 */
 	$special_chars = apply_filters( 'sanitize_file_name_chars', $special_chars, $filename_raw );
-	$filename = preg_replace( "#\x{00a0}#siu", ' ', $filename );
 	$filename = str_replace( $special_chars, '', $filename );
 	$filename = str_replace( array( '%20', '+' ), '-', $filename );
 	$filename = preg_replace( '/[\r\n\t -]+/', '-', $filename );
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1507,6 +1507,11 @@ function wp_mkdir_p( $target ) {
 	if ( file_exists( $target ) )
 		return @is_dir( $target );

+	// Do not allow path traversals.
+	if ( false !== strpos( $target, '../' ) || false !== strpos( $target, '..' . DIRECTORY_SEPARATOR ) ) {
+		return false;
+	}
+
 	// We need to find the permissions of the parent folder that exists and inherit that.
 	$target_parent = dirname( $target );
 	while ( '.' != $target_parent && ! is_dir( $target_parent ) ) {
@@ -1590,18 +1595,38 @@ function path_join( $base, $path ) {
 /**
 * Normalize a filesystem path.
 *
- * Replaces backslashes with forward slashes for Windows systems, and ensures
- * no duplicate slashes exist.
+ * On windows systems, replaces backslashes with forward slashes
+ * and forces upper-case drive letters.
+ * Allows for two leading slashes for Windows network shares, but
+ * ensures that all other duplicate slashes are reduced to a single.
 *
 * @since 3.9.0
+ * @since 4.4.0 Ensures upper-case drive letters on Windows systems.
+ * @since 4.5.0 Allows for Windows network shares.
+ * @since 4.9.7 Allows for PHP file wrappers.
 *
 * @param string $path Path to normalize.
 * @return string Normalized path.
 */
 function wp_normalize_path( $path ) {
+	$wrapper = '';
+	if ( wp_is_stream( $path ) ) {
+		list( $wrapper, $path ) = explode( '://', $path, 2 );
+		$wrapper .= '://';
+	}
+
+	// Standardise all paths to use /
 	$path = str_replace( '\\', '/', $path );
-	$path = preg_replace( '|/+|','/', $path );
-	return $path;
+
+	// Replace multiple slashes down to a singular, allowing for network shares having two slashes.
+	$path = preg_replace( '|(?<=.)/+|', '/', $path );
+
+	// Windows paths should uppercase the drive letter
+	if ( ':' === substr( $path, 1, 1 ) ) {
+		$path = ucfirst( $path );
+	}
+
+	return $wrapper . $path;
 }

 /**
@@ -2147,14 +2172,59 @@ function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {
 				$type = $ext = false;
 			}
 		}
-	} elseif ( function_exists( 'finfo_file' ) ) {
-		// Use finfo_file if available to validate non-image files.
+	}
+
+	// Validate files that didn't get validated during previous checks.
+	if ( $type && ! $real_mime && extension_loaded( 'fileinfo' ) ) {
 		$finfo = finfo_open( FILEINFO_MIME_TYPE );
 		$real_mime = finfo_file( $finfo, $file );
 		finfo_close( $finfo );

-		// If the extension does not match the file's real type, return false.
-		if ( $real_mime !== $type ) {
+		// fileinfo often misidentifies obscure files as one of these types
+		$nonspecific_types = array(
+			'application/octet-stream',
+			'application/encrypted',
+			'application/CDFV2-encrypted',
+			'application/zip',
+		);
+
+		/*
+		 * If $real_mime doesn't match the content type we're expecting from the file's extension,
+		 * we need to do some additional vetting. Media types and those listed in $nonspecific_types are
+		 * allowed some leeway, but anything else must exactly match the real content type.
+		 */
+		if ( in_array( $real_mime, $nonspecific_types, true ) ) {
+			// File is a non-specific binary type. That's ok if it's a type that generally tends to be binary.
+			if ( !in_array( substr( $type, 0, strcspn( $type, '/' ) ), array( 'application', 'video', 'audio' ) ) ) {
+				$type = $ext = false;
+			}
+		} elseif ( 0 === strpos( $real_mime, 'video/' ) || 0 === strpos( $real_mime, 'audio/' ) ) {
+			/*
+			 * For these types, only the major type must match the real value.
+			 * This means that common mismatches are forgiven: application/vnd.apple.numbers is often misidentified as application/zip,
+			 * and some media files are commonly named with the wrong extension (.mov instead of .mp4)
+			 */
+
+			if ( substr( $real_mime, 0, strcspn( $real_mime, '/' ) ) !== substr( $type, 0, strcspn( $type, '/' ) ) ) {
+				$type = $ext = false;
+			}
+		} else {
+			if ( $type !== $real_mime ) {
+				/*
+				 * Everything else including image/* and application/*: 
+				 * If the real content type doesn't match the file extension, assume it's dangerous.
+				 */
+				$type = $ext = false;
+			}
+
+		}
+	}
+
+	// The mime type must be allowed 
+	if ( $type ) {
+		$allowed = get_allowed_mime_types();
+
+		if ( ! in_array( $type, $allowed ) ) {
 			$type = $ext = false;
 		}
 	}
@@ -2344,8 +2414,9 @@ function get_allowed_mime_types( $user = null ) {
 	if ( function_exists( 'current_user_can' ) )
 		$unfiltered = $user ? user_can( $user, 'unfiltered_html' ) : current_user_can( 'unfiltered_html' );

-	if ( empty( $unfiltered ) )
-		unset( $t['htm|html'] );
+	if ( empty( $unfiltered ) ) {
+		unset( $t['htm|html'], $t['js'] );
+	}

 	/**
 	 * Filter list of allowed mime types and file extensions.
@@ -5007,6 +5078,28 @@ function wp_delete_file( $file ) {
 	}
 }

+/**
+ * Deletes a file if its path is within the given directory.
+ *
+ * @since 4.9.7
+ *
+ * @param string $file      Absolute path to the file to delete.
+ * @param string $directory Absolute path to a directory.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_file_from_directory( $file, $directory ) {
+	$real_file = realpath( wp_normalize_path( $file ) );
+	$real_directory = realpath( wp_normalize_path( $directory ) );
+
+	if ( false === $real_file || false === $real_directory || strpos( wp_normalize_path( $real_file ), trailingslashit( wp_normalize_path( $real_directory ) ) ) !== 0 ) {
+		return false;
+	}
+
+	wp_delete_file( $file );
+
+	return true;
+}
+
 /**
 * Outputs a small JS snippet on preview tabs/windows to remove `window.name` on unload.
 *
--- a/wp-includes/general-template.php
+++ b/wp-includes/general-template.php
@@ -2436,6 +2436,24 @@ function wp_no_robots() {
 	echo "<meta name='robots' content='noindex,follow' />\n";
 }

+/**
+ * Display a noindex,noarchive meta tag and referrer origin-when-cross-origin meta tag.
+ *
+ * Outputs a noindex,noarchive meta tag that tells web robots not to index or cache the page content.
+ * Outputs a referrer origin-when-cross-origin meta tag that tells the browser not to send the full
+ * url as a referrer to other sites when cross-origin assets are loaded.
+ *
+ * Typical usage is as a wp_head callback. add_action( 'wp_head', 'wp_sensitive_page_meta' );
+ *
+ * @since 5.0.0
+ */
+function wp_sensitive_page_meta() {
+	?>
+	<meta name='robots' content='noindex,noarchive' />
+	<meta name='referrer' content='strict-origin-when-cross-origin' />
+	<?php
+}
+
 /**
 * Display site icon meta tags.
 *
@@ -2627,12 +2645,14 @@ function get_language_attributes( $doctype = 'html' ) {
 	if ( function_exists( 'is_rtl' ) && is_rtl() )
 		$attributes[] = 'dir="rtl"';

-	if ( $lang = get_bloginfo('language') ) {
-		if ( get_option('html_type') == 'text/html' || $doctype == 'html' )
-			$attributes[] = "lang=\"$lang\"";
+	if ( $lang = get_bloginfo( 'language' ) ) {
+		if ( get_option( 'html_type' ) == 'text/html' || $doctype == 'html' ) {
+			$attributes[] = 'lang="' . esc_attr( $lang ) . '"';
+		}

-		if ( get_option('html_type') != 'text/html' || $doctype == 'xhtml' )
-			$attributes[] = "xml:lang=\"$lang\"";
+		if ( get_option( 'html_type' ) != 'text/html' || $doctype == 'xhtml' ) {
+			$attributes[] = 'xml:lang="' . esc_attr( $lang ) . '"';
+		}
 	}

 	$output = implode(' ', $attributes);
@@ -3159,25 +3179,25 @@ function get_the_generator( $type = '' ) {

 	switch ( $type ) {
 		case 'html':
-			$gen = '<meta name="generator" content="WordPress ' . get_bloginfo( 'version' ) . '">';
+			$gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '">';
 			break;
 		case 'xhtml':
-			$gen = '<meta name="generator" content="WordPress ' . get_bloginfo( 'version' ) . '" />';
+			$gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '" />';
 			break;
 		case 'atom':
-			$gen = '<generator uri="http://wordpress.org/" version="' . get_bloginfo_rss( 'version' ) . '">WordPress</generator>';
+			$gen = '<generator uri="https://wordpress.org/" version="' . esc_attr( get_bloginfo_rss( 'version' ) ) . '">WordPress</generator>';
 			break;
 		case 'rss2':
-			$gen = '<generator>http://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) . '</generator>';
+			$gen = '<generator>' . esc_url_raw( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '</generator>';
 			break;
 		case 'rdf':
-			$gen = '<admin:generatorAgent rdf:resource="http://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) . '" />';
+			$gen = '<admin:generatorAgent rdf:resource="' . esc_url_raw( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '" />';
 			break;
 		case 'comment':
-			$gen = '<!-- generator="WordPress/' . get_bloginfo( 'version' ) . '" -->';
+			$gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo( 'version' ) ) . '" -->';
 			break;
 		case 'export':
-			$gen = '<!-- generator="WordPress/' . get_bloginfo_rss('version') . '" created="'. date('Y-m-d H:i') . '" -->';
+			$gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo_rss( 'version' ) ) . '" created="' . date( 'Y-m-d H:i' ) . '" -->';
 			break;
 	}

--- a/wp-includes/http.php
+++ b/wp-includes/http.php
@@ -473,8 +473,9 @@ function wp_http_validate_url( $url ) {
 			$ip = $host;
 		} else {
 			$ip = gethostbyname( $host );
-			if ( $ip === $host ) // Error condition for gethostbyname()
-				$ip = false;
+			if ( $ip === $host ) { // Error condition for gethostbyname()
+				return false;
+			}
 		}
 		if ( $ip ) {
 			$parts = array_map( 'intval', explode( '.', $ip ) );
--- a/wp-includes/js/media-views.js
+++ b/wp-includes/js/media-views.js
--- a/wp-includes/js/media-views.min.js
+++ b/wp-includes/js/media-views.min.js
--- a/wp-includes/js/mediaelement/flashmediaelement.swf
+++ b/wp-includes/js/mediaelement/flashmediaelement.swf
--- a/wp-includes/js/mediaelement/silverlightmediaelement.xap
+++ b/wp-includes/js/mediaelement/silverlightmediaelement.xap
--- a/wp-includes/kses.php
+++ b/wp-includes/kses.php
@@ -180,15 +180,6 @@ if ( ! CUSTOM_TAGS ) {
 			'lang' => true,
 			'xml:lang' => true,
 		),
-		'form' => array(
-			'action' => true,
-			'accept' => true,
-			'accept-charset' => true,
-			'enctype' => true,
-			'method' => true,
-			'name' => true,
-			'target' => true,
-		),
 		'h1' => array(
 			'align' => true,
 		),
@@ -541,7 +532,7 @@ function wp_kses( $string, $allowed_html, $allowed_protocols = array() ) {
 * @return string Filtered attribute.
 */
 function wp_kses_one_attr( $string, $element ) {
-	$uris = array('xmlns', 'profile', 'href', 'src', 'cite', 'classid', 'codebase', 'data', 'usemap', 'longdesc', 'action');
+	$uris = wp_kses_uri_attributes();
 	$allowed_html = wp_kses_allowed_html( 'post' );
 	$allowed_protocols = wp_allowed_protocols();
 	$string = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) );
@@ -607,6 +598,7 @@ function wp_kses_one_attr( $string, $element ) {
 * Return a list of allowed tags and attributes for a given context.
 *
 * @since 3.5.0
+ * @since 5.0.1 `form` removed as allowable HTML tag.
 *
 * @global array $allowedposttags
 * @global array $allowedtags
@@ -636,7 +628,27 @@ function wp_kses_allowed_html( $context = '' ) {
 	switch ( $context ) {
 		case 'post':
 			/** This filter is documented in wp-includes/kses.php */
-			return apply_filters( 'wp_kses_allowed_html', $allowedposttags, $context );
+			$tags = apply_filters( 'wp_kses_allowed_html', $allowedposttags, $context );
+
+			// 5.0.1 removed the `<form>` tag, allow it if a filter is allowing it's sub-elements `<input>` or `<select>`.
+			if ( ! CUSTOM_TAGS && ! isset( $tags['form'] ) && ( isset( $tags['input'] ) || isset( $tags['select'] ) ) ) {
+				$tags = $allowedposttags;
+
+				$tags['form'] = array(
+					'action' => true,
+					'accept' => true,
+					'accept-charset' => true,
+					'enctype' => true,
+					'method' => true,
+					'name' => true,
+					'target' => true,
+				);
+
+				/** This filter is documented in wp-includes/kses.php */
+				$tags = apply_filters( 'wp_kses_allowed_html', $tags, $context );
+			}
+
+			return $tags;

 		case 'user_description':
 		case 'pre_user_description':
@@ -719,6 +731,56 @@ function wp_kses_split( $string, $allowed_html, $allowed_protocols ) {
 	return preg_replace_callback( '%(<!--.*?(-->|$))|(<[^>]*(>|$)|>)%', '_wp_kses_split_callback', $string );
 }

+/**
+ * Helper function listing HTML attributes containing a URL.
+ *
+ * This function returns a list of all HTML attributes that must contain
+ * a URL according to the HTML specification.
+ *
+ * This list includes URI attributes both allowed and disallowed by KSES.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes
+ *
+ * @since 5.0.1
+ *
+ * @return array HTML attributes that must include a URL.
+ */
+function wp_kses_uri_attributes() {
+	$uri_attributes = array(
+		'action',
+		'archive',
+		'background',
+		'cite',
+		'classid',
+		'codebase',
+		'data',
+		'formaction',
+		'href',
+		'icon',
+		'longdesc',
+		'manifest',
+		'poster',
+		'profile',
+		'src',
+		'usemap',
+		'xmlns',
+	);
+
+	/**
+	 * Filters the list of attributes that are required to contain a URL.
+	 *
+	 * Use this filter to add any `data-` attributes that are required to be
+	 * validated as a URL.
+	 *
+	 * @since 5.0.1
+	 *
+	 * @param array $uri_attributes HTML attributes requiring validation as a URL.
+	 */
+	$uri_attributes = apply_filters( 'wp_kses_uri_attributes', $uri_attributes );
+
+	return $uri_attributes;
+}
+
 /**
 * Callback for wp_kses_split.
 *
@@ -914,7 +976,7 @@ function wp_kses_hair($attr, $allowed_protocols) {
 	$attrarr = array();
 	$mode = 0;
 	$attrname = '';
-	$uris = array('xmlns', 'profile', 'href', 'src', 'cite', 'classid', 'codebase', 'data', 'usemap', 'longdesc', 'action');
+	$uris = wp_kses_uri_attributes();

 	// Loop through the whole attribute list

@@ -1330,7 +1392,8 @@ function wp_kses_html_error($string) {
 * @return string Sanitized content
 */
 function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1 ) {
-	$string2 = preg_split( '/:|&#0*58;|&#x0*3a;/i', $string, 2 );
+	$string  = preg_replace( '/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string );
+	$string2 = preg_split( '/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2 );
 	if ( isset($string2[1]) && ! preg_match('%/\?%', $string2[0]) ) {
 		$string = trim( $string2[1] );
 		$protocol = wp_kses_bad_protocol_once2( $string2[0], $allowed_protocols );
--- a/wp-includes/ms-deprecated.php
+++ b/wp-includes/ms-deprecated.php
@@ -243,10 +243,13 @@ function wpmu_admin_do_redirect( $url = '' ) {
 	_deprecated_function( __FUNCTION__, '3.3' );

 	$ref = '';
-	if ( isset( $_GET['ref'] ) )
-		$ref = $_GET['ref'];
-	if ( isset( $_POST['ref'] ) )
-		$ref = $_POST['ref'];
+	if ( isset( $_GET['ref'] ) && isset( $_POST['ref'] ) && $_GET['ref'] !== $_POST['ref'] ) {
+		wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
+	} elseif ( isset( $_POST['ref'] ) ) {
+		$ref = $_POST[ 'ref' ];
+	} elseif ( isset( $_GET['ref'] ) ) {
+		$ref = $_GET[ 'ref' ];
+	}

 	if ( $ref ) {
 		$ref = wpmu_admin_redirect_add_updated_param( $ref );
@@ -259,7 +262,9 @@ function wpmu_admin_do_redirect( $url = '' ) {
 	}

 	$url = wpmu_admin_redirect_add_updated_param( $url );
-	if ( isset( $_GET['redirect'] ) ) {
+	if ( isset( $_GET['redirect'] ) && isset( $_POST['redirect'] ) && $_GET['redirect'] !== $_POST['redirect'] ) {
+		wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
+	} elseif ( isset( $_GET['redirect'] ) ) {
 		if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
 			$url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
 	} elseif ( isset( $_POST['redirect'] ) ) {
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -1081,8 +1081,8 @@ if ( !function_exists('check_admin_referer') ) :
 *                   0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
 */
 function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) {
-	if ( -1 == $action )
-		_doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '3.2' );
+	if ( -1 === $action )
+		_doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '3.2.0' );

 	$adminurl = strtolower(admin_url());
 	$referer = strtolower(wp_get_referer());
@@ -1099,7 +1099,7 @@ function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) {
 	 */
 	do_action( 'check_admin_referer', $action, $result );

-	if ( ! $result && ! ( -1 == $action && strpos( $referer, $adminurl ) === 0 ) ) {
+	if ( ! $result && ! ( -1 === $action && strpos( $referer, $adminurl ) === 0 ) ) {
 		wp_nonce_ays( $action );
 		die();
 	}
@@ -1124,6 +1124,9 @@ if ( !function_exists('check_ajax_referer') ) :
 *                   0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
 */
 function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) {
+	if ( -1 === $action )
+		_doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '3.2.0' );
+
 	$nonce = '';

 	if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) )
@@ -1228,7 +1231,7 @@ function wp_sanitize_redirect($location) {
 		){1,40}                              # ...one or more times
 		)/x';
 	$location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_redirect', $location );
-	$location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()]|i', '', $location);
+	$location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()@]|i', '', $location);
 	$location = wp_kses_no_null($location);

 	// remove %0d and %0a from location
@@ -1300,7 +1303,7 @@ if ( !function_exists('wp_validate_redirect') ) :
 * @return string redirect-sanitized URL
 **/
 function wp_validate_redirect($location, $default = '') {
-	$location = trim( $location, " \t\n\r\0\x08\x0B" );
+	$location = wp_sanitize_redirect( trim( $location, " \t\n\r\0\x08\x0B" ) );
 	// browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'
 	if ( substr($location, 0, 2) == '//' )
 		$location = 'http:' . $location;
@@ -1319,6 +1322,14 @@ function wp_validate_redirect($location, $default = '') {
 	if ( isset($lp['scheme']) && !('http' == $lp['scheme'] || 'https' == $lp['scheme']) )
 		return $default;

+	if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) {
+		$path = '';
+		if ( ! empty( $_SERVER['REQUEST_URI'] ) ) {
+			$path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' );
+		}
+		$location = '/' . ltrim( $path . '/', '/' ) . $location;
+	}
+
 	// Reject if certain components are set but host is not. This catches urls like https:host.com for which parse_url does not set the host field.
 	if ( ! isset( $lp['host'] ) && ( isset( $lp['scheme'] ) || isset( $lp['user'] ) || isset( $lp['pass'] ) || isset( $lp['port'] ) ) ) {
 		return $default;
@@ -2398,4 +2409,3 @@ function wp_text_diff( $left_string, $right_string, $args = null ) {
 	return $r;
 }
 endif;
-
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -305,24 +305,9 @@ function get_the_content( $more_link_text = null, $strip_teaser = false ) {
 		}
 	}

-	if ( $preview ) // Preview fix for JavaScript bug with foreign languages.
-		$output =	preg_replace_callback( '/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output );
-
 	return $output;
 }

-/**
- * Preview fix for JavaScript bug with foreign languages.
- *
- * @since 3.1.0
- * @access private
- * @param array $match Match array from preg_replace_callback
- * @return string
- */
-function _convert_urlencoded_to_entities( $match ) {
-	return '&#' . base_convert( $match[1], 16, 10 ) . ';';
-}
-
 /**
 * Display the post excerpt.
 *
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -4293,10 +4293,10 @@ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
 	$page_path = str_replace('%2F', '/', $page_path);
 	$page_path = str_replace('%20', ' ', $page_path);
 	$parts = explode( '/', trim( $page_path, '/' ) );
-	$parts = esc_sql( $parts );
 	$parts = array_map( 'sanitize_title_for_query', $parts );
+	$escaped_parts = esc_sql( $parts );

-	$in_string = "'" . implode( "','", $parts ) . "'";
+	$in_string = "'" . implode( "','", $escaped_parts ) . "'";

 	if ( is_array( $post_type ) ) {
 		$post_types = $post_type;
@@ -4931,42 +4931,79 @@ function wp_delete_attachment( $post_id, $force_delete = false ) {
 	/** This action is documented in wp-includes/post.php */
 	do_action( 'deleted_post', $post_id );

+	wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file );
+
+	clean_post_cache( $post );
+
+	return $post;
+}
+
+/**
+ * Deletes all files that belong to the given attachment.
+ *
+ * @since 4.9.7
+ *
+ * @param int    $post_id      Attachment ID.
+ * @param array  $meta         The attachment's meta data.
+ * @param array  $backup_sizes The meta data for the attachment's backup images.
+ * @param string $file         Absolute path to the attachment's file.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ) {
+	global $wpdb;
+
 	$uploadpath = wp_upload_dir();
+	$deleted    = true;

 	if ( ! empty($meta['thumb']) ) {
 		// Don't delete the thumb if another attachment uses it.
 		if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id)) ) {
-			$thumbfile = str_replace(basename($file), $meta['thumb'], $file);
-			/** This filter is documented in wp-includes/functions.php */
-			$thumbfile = apply_filters( 'wp_delete_file', $thumbfile );
-			@ unlink( path_join($uploadpath['basedir'], $thumbfile) );
+			$thumbfile = str_replace( basename( $file ), $meta['thumb'], $file );
+			if ( ! empty( $thumbfile ) ) {
+				$thumbfile = path_join( $uploadpath['basedir'], $thumbfile );
+				$thumbdir  = path_join( $uploadpath['basedir'], dirname( $file ) );
+
+				if ( ! wp_delete_file_from_directory( $thumbfile, $thumbdir ) ) {
+					$deleted = false;
+				}
+			}
 		}
 	}

 	// Remove intermediate and backup images if there are any.
 	if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) {
+		$intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) );
 		foreach ( $meta['sizes'] as $size => $sizeinfo ) {
 			$intermediate_file = str_replace( basename( $file ), $sizeinfo['file'], $file );
-			/** This filter is documented in wp-includes/functions.php */
-			$intermediate_file = apply_filters( 'wp_delete_file', $intermediate_file );
-			@ unlink( path_join( $uploadpath['basedir'], $intermediate_file ) );
+			if ( ! empty( $intermediate_file ) ) {
+				$intermediate_file = path_join( $uploadpath['basedir'], $intermediate_file );
+
+				if ( ! wp_delete_file_from_directory( $intermediate_file, $intermediate_dir ) ) {
+					$deleted = false;
+				}
+			}
 		}
 	}

 	if ( is_array($backup_sizes) ) {
+		$del_dir = path_join( $uploadpath['basedir'], dirname( $meta['file'] ) );
 		foreach ( $backup_sizes as $size ) {
-			$del_file = path_join( dirname($meta['file']), $size['file'] );
-			/** This filter is documented in wp-includes/functions.php */
-			$del_file = apply_filters( 'wp_delete_file', $del_file );
-			@ unlink( path_join($uploadpath['basedir'], $del_file) );
+			$del_file = path_join( dirname( $meta['file'] ), $size['file'] );
+			if ( ! empty( $del_file ) ) {
+				$del_file = path_join( $uploadpath['basedir'], $del_file );
+
+				if ( ! wp_delete_file_from_directory( $del_file, $del_dir ) ) {
+					$deleted = false;
+				}
+			}
 		}
 	}

-	wp_delete_file( $file );
+	if ( ! wp_delete_file_from_directory( $file, $uploadpath['basedir'] ) ) {
+		$deleted = false;
+	}

-	clean_post_cache( $post );
-
-	return $post;
+	return $deleted;
 }

 /**
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -1400,7 +1400,6 @@ class WP_Query {
 			, 'attachment'
 			, 'attachment_id'
 			, 'name'
-			, 'static'
 			, 'pagename'
 			, 'page_id'
 			, 'second'
@@ -1600,11 +1599,7 @@ class WP_Query {
 			$this->is_single = true;
 		} elseif ( $qv['p'] ) {
 			$this->is_single = true;
-		} elseif ( ('' !== $qv['hour']) && ('' !== $qv['minute']) &&('' !== $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day']) ) {
-			// If year, month, day, hour, minute, and second are set, a single
-			// post is being queried.
-			$this->is_single = true;
-		} elseif ( '' != $qv['static'] || '' != $qv['pagename'] || !empty($qv['page_id']) ) {
+		} elseif ( '' != $qv['pagename'] || !empty($qv['page_id']) ) {
 			$this->is_page = true;
 			$this->is_single = false;
 		} else {
--- a/wp-includes/user.php
+++ b/wp-includes/user.php
@@ -2051,7 +2051,7 @@ function wp_insert_user( $userdata ) {
 	$data = wp_unslash( $compacted );

 	if ( $update ) {
-		if ( $user_email !== $old_user_data->user_email ) {
+		if ( $user_email !== $old_user_data->user_email || $user_pass !== $old_user_data->user_pass ) {
 			$data['user_activation_key'] = '';
 		}
 		$wpdb->update( $wpdb->users, $data, compact( 'ID' ) );
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
 *
 * @global string $wp_version
 */
-$wp_version = '4.3.12';
+$wp_version = '4.3.24';

 /**
 * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
--- a/wp-includes/wp-db.php
+++ b/wp-includes/wp-db.php
@@ -1089,19 +1089,22 @@ class wpdb {
 	function _real_escape( $string ) {
 		if ( $this->dbh ) {
 			if ( $this->use_mysqli ) {
-				return mysqli_real_escape_string( $this->dbh, $string );
+				$escaped = mysqli_real_escape_string( $this->dbh, $string );
 			} else {
-				return mysql_real_escape_string( $string, $this->dbh );
+				$escaped = mysql_real_escape_string( $string, $this->dbh );
 			}
+		} else {
+			$class = get_class( $this );
+			if ( function_exists( '__' ) ) {
+				/* translators: %s: database access abstraction class, usually wpdb or a class extending wpdb */
+				_doing_it_wrong( $class, sprintf( __( '%s must set a database connection for use with escaping.' ), $class ), '3.6.0' );
+			} else {
+				_doing_it_wrong( $class, sprintf( '%s must set a database connection for use with escaping.', $class ), '3.6.0' );
+			}
+			$escaped = addslashes( $string );
 		}

-		$class = get_class( $this );
-		if ( function_exists( '__' ) ) {
-			_doing_it_wrong( $class, sprintf( __( '%s must set a database connection for use with escaping.' ), $class ), E_USER_NOTICE );
-		} else {
-			_doing_it_wrong( $class, sprintf( '%s must set a database connection for use with escaping.', $class ), E_USER_NOTICE );
-		}
-		return addslashes( $string );
+		return $this->add_placeholder_escape( $escaped );
 	}

 	/**
@@ -1176,67 +1179,120 @@ class wpdb {
 	/**
 	 * Prepares a SQL query for safe execution. Uses sprintf()-like syntax.
 	 *
-	 * The following directives can be used in the query format string:
+	 * The following placeholders can be used in the query string:
 	 *   %d (integer)
 	 *   %f (float)
 	 *   %s (string)
-	 *   %% (literal percentage sign - no argument needed)
 	 *
-	 * All of %d, %f, and %s are to be left unquoted in the query string and they need an argument passed for them.
-	 * Literals (%) as parts of the query must be properly written as %%.
+	 * All placeholders MUST be left unquoted in the query string. A corresponding argument MUST be passed for each placeholder.
 	 *
-	 * This function only supports a small subset of the sprintf syntax; it only supports %d (integer), %f (float), and %s (string).
-	 * Does not support sign, padding, alignment, width or precision specifiers.
-	 * Does not support argument numbering/swapping.
+	 * For compatibility with old behavior, numbered or formatted string placeholders (eg, %1$s, %5s) will not have quotes
+	 * added by this function, so should be passed with appropriate quotes around them for your usage.
 	 *
-	 * May be called like {@link http://php.net/sprintf sprintf()} or like {@link http://php.net/vsprintf vsprintf()}.
+	 * Literal percentage signs (%) in the query string must be written as %%. Percentage wildcards (for example,
+	 * to use in LIKE syntax) must be passed via a substitution argument containing the complete LIKE string, these
+	 * cannot be inserted directly in the query string. Also see {@see esc_like()}.
 	 *
-	 * Both %d and %s should be left unquoted in the query string.
+	 * Arguments may be passed as individual arguments to the method, or as a single array containing all arguments. A combination
+	 * of the two is not supported.
 	 *
-	 *     wpdb::prepare( "SELECT * FROM `table` WHERE `column` = %s AND `field` = %d", 'foo', 1337 )
-	 *     wpdb::prepare( "SELECT DATE_FORMAT(`field`, '%%c') FROM `table` WHERE `column` = %s", 'foo' );
+	 * Examples:
+	 *     $wpdb->prepare( "SELECT * FROM `table` WHERE `column` = %s AND `field` = %d OR `other_field` LIKE %s", array( 'foo', 1337, '%bar' ) );
+	 *     $wpdb->prepare( "SELECT DATE_FORMAT(`field`, '%%c') FROM `table` WHERE `column` = %s", 'foo' );
 	 *
-	 * @link http://php.net/sprintf Description of syntax.
+	 * @link https://secure.php.net/sprintf Description of syntax.
 	 * @since 2.3.0
 	 *
 	 * @param string      $query    Query statement with sprintf()-like placeholders
-	 * @param array|mixed $args     The array of variables to substitute into the query's placeholders if being called like
-	 *                              {@link http://php.net/vsprintf vsprintf()}, or the first variable to substitute into the query's placeholders if
-	 *                              being called like {@link http://php.net/sprintf sprintf()}.
-	 * @param mixed       $args,... further variables to substitute into the query's placeholders if being called like
-	 *                              {@link http://php.net/sprintf sprintf()}.
+	 * @param array|mixed $args     The array of variables to substitute into the query's placeholders if being called with an array of arguments,
+	 *                              or the first variable to substitute into the query's placeholders if being called with individual arguments.
+	 * @param mixed       $args,... further variables to substitute into the query's placeholders if being called wih individual arguments.
 	 * @return string|void Sanitized query string, if there is a query to prepare.
 	 */
 	public function prepare( $query, $args ) {
-		if ( is_null( $query ) )
+		if ( is_null( $query ) ) {
 			return;
+		}

 		// This is not meant to be foolproof -- but it will catch obviously incorrect usage.
 		if ( strpos( $query, '%' ) === false ) {
-			_doing_it_wrong( 'wpdb::prepare', sprintf( __( 'The query argument of %s must have a placeholder.' ), 'wpdb::prepare()' ), '3.9' );
+			wp_load_translations_early();
+			_doing_it_wrong( 'wpdb::prepare', sprintf( __( 'The query argument of %s must have a placeholder.' ), 'wpdb::prepare()' ), '3.9.0' );
 		}

 		$args = func_get_args();
 		array_shift( $args );

-		// If args were passed as an array (as in vsprintf), move them up
+		// If args were passed as an array (as in vsprintf), move them up.
+		$passed_as_array = false;
 		if ( is_array( $args[0] ) && count( $args ) == 1 ) {
+			$passed_as_array = true;
 			$args = $args[0];
 		}

 		foreach ( $args as $arg ) {
 			if ( ! is_scalar( $arg ) && ! is_null( $arg ) ) {
-				_doing_it_wrong( 'wpdb::prepare', sprintf( 'Unsupported value type (%s).', gettype( $arg ) ), '4.3.12' );
+				wp_load_translations_early();
+				_doing_it_wrong( 'wpdb::prepare', sprintf( __( 'Unsupported value type (%s).' ), gettype( $arg ) ), '4.8.2' );
+			}
+		}
+
+		/*
+		 * Specify the formatting allowed in a placeholder. The following are allowed:
+		 *
+		 * - Sign specifier. eg, $+d
+		 * - Numbered placeholders. eg, %1$s
+		 * - Padding specifier, including custom padding characters. eg, %05s, %'#5s
+		 * - Alignment specifier. eg, %05-s
+		 * - Precision specifier. eg, %.2f
+		 */
+		$allowed_format = '(?:[1-9][0-9]*[$])?[-+0-9]*(?: |0|\'.)?[-+0-9]*(?:\.[0-9]+)?';
+
+		/*
+		 * If a %s placeholder already has quotes around it, removing the existing quotes and re-inserting them
+		 * ensures the quotes are consistent.
+		 *
+		 * For backwards compatibility, this is only applied to %s, and not to placeholders like %1$s, which are frequently
+		 * used in the middle of longer strings, or as table name placeholders.
+		 */
+		$query = str_replace( "'%s'", '%s', $query ); // Strip any existing single quotes.
+		$query = str_replace( '"%s"', '%s', $query ); // Strip any existing double quotes.
+		$query = preg_replace( '/(?<!%)%s/', "'%s'", $query ); // Quote the strings, avoiding escaped strings like %%s.
+
+		$query = preg_replace( "/(?<!%)(%($allowed_format)?f)/" , '%\\2F', $query ); // Force floats to be locale unaware.
+
+		$query = preg_replace( "/%(?:%|$|(?!($allowed_format)?[sdF]))/", '%%\\1', $query ); // Escape any unescaped percents.
+
+		// Count the number of valid placeholders in the query.
+		$placeholders = preg_match_all( "/(^|[^%]|(%%)+)%($allowed_format)?[sdF]/", $query, $matches );
+
+		if ( count( $args ) !== $placeholders ) {
+			if ( 1 === $placeholders && $passed_as_array ) {
+				// If the passed query only expected one argument, but the wrong number of arguments were sent as an array, bail.
+				wp_load_translations_early();
+				_doing_it_wrong( 'wpdb::prepare', __( 'The query only expected one placeholder, but an array of multiple placeholders was sent.' ), '4.9.0' );
+
+				return;
+			} else {
+				/*
+				 * If we don't have the right number of placeholders, but they were passed as individual arguments,
+				 * or we were expecting multiple arguments in an array, throw a warning.
+				 */
+				wp_load_translations_early();
+				_doing_it_wrong( 'wpdb::prepare',
+					/* translators: 1: number of placeholders, 2: number of arguments passed */
+					sprintf( __( 'The query does not contain the correct number of placeholders (%1$d) for the number of arguments passed (%2$d).' ),
+						$placeholders,
+						count( $args ) ),
+					'4.8.3'
+				);
 			}
 		}

-		$query = str_replace( "'%s'", '%s', $query ); // in case someone mistakenly already singlequoted it
-		$query = str_replace( '"%s"', '%s', $query ); // doublequote unquoting
-		$query = preg_replace( '|(?<!%)%f|' , '%F', $query ); // Force floats to be locale unaware
-		$query = preg_replace( '|(?<!%)%s|', "'%s'", $query ); // quote the strings, avoiding escaped strings like %%s
-		$query = preg_replace( '/%(?:%|$|([^dsF]))/', '%%\\1', $query ); // escape any unescaped percents 
 		array_walk( $args, array( $this, 'escape_by_ref' ) );
-		return @vsprintf( $query, $args );
+		$query = @vsprintf( $query, $args );
+
+		return $this->add_placeholder_escape( $query );
 	}

 	/**
@@ -1766,6 +1822,64 @@ class wpdb {
 		}
 	}

+	/**
+	 * Generates and returns a placeholder escape string for use in queries returned by ::prepare().
+	 *
+	 * @since 4.8.3
+	 *
+	 * @return string String to escape placeholders.
+	 */
+	public function placeholder_escape() {
+		static $placeholder;
+
+		if ( ! $placeholder ) {
+			// If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
+			$algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
+			// Old WP installs may not have AUTH_SALT defined.
+			$salt = defined( 'AUTH_SALT' ) && AUTH_SALT ? AUTH_SALT : (string) rand();
+
+			$placeholder = '{' . hash_hmac( $algo, uniqid( $salt, true ), $salt ) . '}';
+		}
+
+		/*
+		 * Add the filter to remove the placeholder escaper. Uses priority 0, so that anything
+		 * else attached to this filter will recieve the query with the placeholder string removed.
+		 */
+		if ( ! has_filter( 'query', array( $this, 'remove_placeholder_escape' ) ) ) {
+			add_filter( 'query', array( $this, 'remove_placeholder_escape' ), 0 );
+		}
+
+		return $placeholder;
+	}
+
+	/**
+	 * Adds a placeholder escape string, to escape anything that resembles a printf() placeholder.
+	 *
+	 * @since 4.8.3
+	 *
+	 * @param string $query The query to escape.
+	 * @return string The query with the placeholder escape string inserted where necessary.
+	 */
+	public function add_placeholder_escape( $query ) {
+		/*
+		 * To prevent returning anything that even vaguely resembles a placeholder,
+		 * we clobber every % we can find.
+		 */
+		return str_replace( '%', $this->placeholder_escape(), $query );
+	}
+
+	/**
+	 * Removes the placeholder escape strings from a query.
+	 *
+	 * @since 4.8.3
+	 *
+	 * @param string $query The query from which the placeholder will be removed.
+	 * @return string The query with the placeholder removed.
+	 */
+	public function remove_placeholder_escape( $query ) {
+		return str_replace( $this->placeholder_escape(), '%', $query );
+	}
+
 	/**
 	 * Insert a row into a table.
 	 *
--- a/wp-login.php
+++ b/wp-login.php
@@ -14,10 +14,10 @@ require( dirname(__FILE__) . '/wp-load.php' );
 // Redirect to https login if forced to use SSL
 if ( force_ssl_admin() && ! is_ssl() ) {
 	if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) {
-		wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
+		wp_safe_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
 		exit();
 	} else {
-		wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+		wp_safe_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
 		exit();
 	}
 }
@@ -34,7 +34,7 @@ function login_header( $title = 'Log In', $message = '', $wp_error = '' ) {
 	global $error, $interim_login, $action;

 	// Don't index any of these forms
-	add_action( 'login_head', 'wp_no_robots' );
+	add_action( 'login_head', 'wp_sensitive_page_meta' );

 	if ( wp_is_mobile() )
 		add_action( 'login_head', 'wp_login_viewport_meta' );
Author	SHA1	Message	Date
whyisjake	1681d8156e	Tag 4.3.24 Built from https://develop.svn.wordpress.org/tags/4.3.24@48021 git-svn-id: http://core.svn.wordpress.org/tags/4.3.24@47789 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2020-06-10 21:46:31 +00:00
desrosj	9bd186c0b2	WordPress 4.3.24. Built from https://develop.svn.wordpress.org/branches/4.3@48000 git-svn-id: http://core.svn.wordpress.org/branches/4.3@47768 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2020-06-10 21:39:14 +00:00
whyisjake	1bb15bafa8	General: Backport several commits for release. - Embeds: Ensure that the title attribute is set correctly on embeds. - Editor: Prevent HTML decoding on by setting the proper editor context. - Formatting: Ensure that wp_validate_redirect() sanitizes a wider variety of characters. - Themes: Ensure a broken theme name is returned properly. - Administration: Add a new filter to extend set-screen-option. Merges [47947-47951] to the 4.3 branch. Props xknown, sstoqnov, vortfu, SergeyBiryukov, whyisjake. Built from https://develop.svn.wordpress.org/branches/4.3@47982 git-svn-id: http://core.svn.wordpress.org/branches/4.3@47751 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2020-06-10 19:04:18 +00:00
desrosj	55f80c7741	Update the About page for WordPress 4.3.23 Built from https://develop.svn.wordpress.org/branches/4.3@47693 git-svn-id: http://core.svn.wordpress.org/branches/4.3@47470 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2020-04-29 18:26:19 +00:00
desrosj	7844e2d115	WordPress 4.3.23 Built from https://develop.svn.wordpress.org/branches/4.3@47677 git-svn-id: http://core.svn.wordpress.org/branches/4.3@47454 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2020-04-29 18:03:06 +00:00
whyisjake	9ff45194c0	User: Invalidate `user_activation_key` on password update. Query: Ensure that only a single post can be returned on date/time based queries. Cache API: Ensure proper escaping around the stats method in the cache API. Formatting: Expand `sanitize_file_name` to have better support for utf8 characters. Brings the changes in [47634], [47635], [47637], and [47638] to the 4.3 branch. Props: batmoo, ehti, nickdaugherty, peterwilsoncc, sergeybiryukov, sstoqnov, westi, whyisjake, whyisjake, xknown. Built from https://develop.svn.wordpress.org/branches/4.3@47656 git-svn-id: http://core.svn.wordpress.org/branches/4.3@47433 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2020-04-29 16:49:18 +00:00
Sergey Biryukov	96e62740a8	WordPress 4.3.22 Built from https://develop.svn.wordpress.org/branches/4.3@46930 git-svn-id: http://core.svn.wordpress.org/branches/4.3@46730 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-12-12 20:31:38 +00:00
Sergey Biryukov	101d18ce97	Update `wp_kses_bad_protocol()` to recognize `&colon;` on uri attributes, `wp_kses_bad_protocol()` makes sure to validate that uri attributes don’t contain invalid/or not allowed protocols. While this works fine in most cases, there’s a risk that by using the colon html5 named entity, one is able to bypass this function. Brings r46895 to the 4.3 branch. Props: xknown, nickdaugherty, peterwilsoncc. Built from https://develop.svn.wordpress.org/branches/4.3@46911 git-svn-id: http://core.svn.wordpress.org/branches/4.3@46711 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-12-12 18:43:19 +00:00
desrosj	cb4bfad89c	WordPress 4.3.21. Built from https://develop.svn.wordpress.org/branches/4.3@46517 git-svn-id: http://core.svn.wordpress.org/branches/4.3@46314 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-10-14 20:13:18 +00:00
whyisjake	ee4a39e150	Backporting several bug fixes. - Query: Remove the static query property. - HTTP API: Protect against hex interpretation. - Filesystem API: Prevent directory travelersals when creating new folders. - Administration: Ensure that admin referer nonce is valid. - REST API: Send a Vary: Origin header on GET requests. - Customizer: Properly sanitize background images. Backports [46474], [46475], [46476], [46477], [46478], [46483], [46485] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@46499 git-svn-id: http://core.svn.wordpress.org/branches/4.3@46296 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-10-14 19:12:19 +00:00
desrosj	6bb34dde2a	WordPress 4.3.20. Built from https://develop.svn.wordpress.org/branches/4.3@46037 git-svn-id: http://core.svn.wordpress.org/branches/4.3@45849 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-09-04 22:03:39 +00:00
desrosj	573fefce22	Fix for URL sanitization in `wp_kses_bad_protocol_once()`. Merges [45997] to the 4.3 branch. Props irsdl, sstoqnov, whyisjake. Built from https://develop.svn.wordpress.org/branches/4.3@46011 git-svn-id: http://core.svn.wordpress.org/branches/4.3@45822 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-09-04 21:41:14 +00:00
Sergey Biryukov	96c871a4f9	Improve URL validation in `wp_validate_redirect()`. Merges [45971] to the 4.3 branch. Props vortfu, whyisjake, peterwilsoncc. Built from https://develop.svn.wordpress.org/branches/4.3@45982 git-svn-id: http://core.svn.wordpress.org/branches/4.3@45793 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-09-04 17:14:37 +00:00
whyisjake	3bdd96e940	Remove _convert_urlencoded_to_entities() from the get_the_content() callback. Merges [45937] to the 4.3 branch. Props vortfu, whyisjake, peterwilsoncc Built from https://develop.svn.wordpress.org/branches/4.3@45959 git-svn-id: http://core.svn.wordpress.org/branches/4.3@45770 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-09-04 16:42:00 +00:00
Sergey Biryukov	778afee0d3	Escape the output in `wp_ajax_upload_attachment()`. Merges [45936] to the 4.3 branch. Props whyisjake, sstoqnov. Built from https://develop.svn.wordpress.org/branches/4.3@45952 git-svn-id: http://core.svn.wordpress.org/branches/4.3@45763 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-09-04 16:38:39 +00:00
Gary Pendergast	84ca459390	WordPress 4.3.19 Built from https://develop.svn.wordpress.org/branches/4.3@44880 git-svn-id: http://core.svn.wordpress.org/branches/4.3@44711 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-03-13 01:37:17 +00:00
Sergey Biryukov	ffaeca3c2d	Comments: Improve comment content filtering. Merges [44842] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@44851 git-svn-id: http://core.svn.wordpress.org/branches/4.3@44683 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2019-03-12 22:41:18 +00:00
Jeremy Felt	c213a12d6f	Bump 4.3 branch to version 4.3.18. Built from https://develop.svn.wordpress.org/branches/4.3@44084 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43914 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-12-13 02:15:17 +00:00
Gary Pendergast	e89067cafb	Editor: Remove unwanted fields before saving posts. The `meta_input`, `file`, and `guid` fields are not intended to be updated through user input. Merges [44047] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@44064 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43894 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-12-13 01:51:17 +00:00
Peter Wilson	100ac12da0	Multisite: Validate activation links. Merges [44048] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@44063 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43893 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-12-13 01:49:37 +00:00
iandunn	7af3db4bdb	KSES: Make the URI attributes DRY. This commit introduces the `wp_kses_uri_attributes` function and filter. The function centralizes the list of attributes, in order to prevent inconsistency, and the filter provides a way for plugins to customize the attributes. Merges [44014] and [44017] to the `4.3` branch. Built from https://develop.svn.wordpress.org/branches/4.3@44041 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43871 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-12-13 01:14:24 +00:00
Peter Wilson	5be5e9f54a	Multisite: Improve messaging for previously activated users. Ensure activation of a site is not attempted multiple times and users are shown the correct message if they follow the link a second time. Merges [44021] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@44033 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43863 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-12-13 00:54:38 +00:00
Gary Pendergast	5514a623ed	KSES: Conditionally remove the `<form>` element from `$allowedposttags`. To avoid backwards compatibility issues, `<form>` is re-added if a custom filter has added the `<input>` or `<select>` elements to `$allowedposttags`. Merges [43994] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@44005 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43836 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-12-12 23:37:18 +00:00
Jeremy Felt	f7082228ba	Media: Improve verification of MIME file types. Merges [43988] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@43996 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43828 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-12-12 23:17:18 +00:00
Aaron Campbell	260ca2571b	Bump 4.3 branch to version 4.3.17 Built from https://develop.svn.wordpress.org/branches/4.3@43413 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43241 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-07-05 16:13:07 +00:00
John Blackbourn	e9c11f3385	Media: Limit thumbnail file deletions to the same directory as the original file. Merges [43393] into the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@43399 git-svn-id: http://core.svn.wordpress.org/branches/4.3@43227 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-07-05 15:03:22 +00:00
Aaron Campbell	0f6c066275	Bump 4.3 branch to version 4.3.16 Built from https://develop.svn.wordpress.org/branches/4.3@42939 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42769 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-04-03 20:30:26 +00:00
Dominik Schilling	9adb5428e9	Template: Make sure the version string is correctly escaped for use in attributes. Merge of [42893] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@42923 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42753 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-04-03 16:09:03 +00:00
Dominik Schilling	11ab85e805	Login: Use `wp_safe_redirect()` when redirecting the login page if forced to use HTTPS. Merge of [42892] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@42901 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42731 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-04-03 15:32:08 +00:00
Sergey Biryukov	89fe744a7d	General: Update copyright year to 2018 in license.txt. Props rachelbaker. Merges [42424] to the 4.3 branch. Fixes #43007. Built from https://develop.svn.wordpress.org/branches/4.3@42558 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42387 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-01-23 11:28:42 +00:00
Dion Hulse	2f6ab42321	Bump the 4.3 branch to 4.3.15. Built from https://develop.svn.wordpress.org/branches/4.3@42500 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42329 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-01-16 21:43:27 +00:00
Dion Hulse	8b6b82d51e	External Libraries: Remove unnecessary / obsoleted MediaElement.js files. Merges [42478] to the 4.3 branch. Fixes #42720 for 4.3. Built from https://develop.svn.wordpress.org/branches/4.3@42483 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42312 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-01-16 08:10:28 +00:00
Dion Hulse	912cef3697	Upgrade: When deleting old files, if deletion fails attempt to empty the file instead. Props joemcgill, dd32. Merges [42434] to the 4.3 branch. Fixes #42963 for 4.3. Built from https://develop.svn.wordpress.org/branches/4.3@42471 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42300 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2018-01-16 06:57:27 +00:00
John Blackbourn	d36d7535ef	Bump 4.3 branch to version 4.3.14. Built from https://develop.svn.wordpress.org/branches/4.3@42322 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42151 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-11-29 19:01:56 +00:00
John Blackbourn	9bde3962d9	Hardening: Remove the ability to upload JavaScript files for users who do not have the `unfiltered_html` capability. Merges [42261] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@42291 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42120 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-11-29 16:32:55 +00:00
John Blackbourn	599b8a9765	Hardening: Ensure the attributes of enclosures are correctly escaped in RSS and Atom feeds. Merges [42260] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@42290 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42119 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-11-29 16:32:31 +00:00
John Blackbourn	e7c75e3542	Hardening: Add escaping to the language attributes used on `html` elements. Merges [42259] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@42289 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42118 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-11-29 16:31:22 +00:00
John Blackbourn	93d2ea12fe	Hardening: Use a properly generated hash for the `newbloguser` key instead of a determinate substring. Merges [42258] to the 4.3 branch. Built from https://develop.svn.wordpress.org/branches/4.3@42288 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42117 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-11-29 16:30:57 +00:00
Dion Hulse	6c16725459	WPDB: Check that `AUTH_SALT` is not empty, Fix a PHP notice when `AUTH_SALT` is undefined. Props jsonfry, mkomar, pento. Merges [42119] and [42120] to the 4.3 branch. Fixes #42431 and #42401 for 4.3. Built from https://develop.svn.wordpress.org/branches/4.3@42235 git-svn-id: http://core.svn.wordpress.org/branches/4.3@42064 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-11-27 01:12:26 +00:00
John Blackbourn	be37b2ea7b	General: Remove the version number from the readme file in the 4.3 branch. See #42386 Built from https://develop.svn.wordpress.org/branches/4.3@42093 git-svn-id: http://core.svn.wordpress.org/branches/4.3@41922 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-10-31 17:44:26 +00:00
Gary Pendergast	b4ba20d05a	Bump 4.3 branch to version 4.3.13. Built from https://develop.svn.wordpress.org/branches/4.3@42074 git-svn-id: http://core.svn.wordpress.org/branches/4.3@41903 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-10-31 13:33:26 +00:00
Gary Pendergast	8227bf664f	Database: Restore numbered placeholders in `wpdb::prepare()`. [41496] removed support for numbered placeholders in queries send through `wpdb::prepare()`, which, despite being undocumented, were quite commonly used. This change restores support for numbered placeholders (as well as a subset of placeholder formatting), while also adding extra checks to ensure the correct number of arguments are being passed to `wpdb::prepare()`, given the number of placeholders. Merges [41662], [42056] to the 4.3 branch. See #41925. Built from https://develop.svn.wordpress.org/branches/4.3@42062 git-svn-id: http://core.svn.wordpress.org/branches/4.3@41891 1a063a9b-81f0-0310-95a4-ce76da25c4cd	2017-10-31 12:49:26 +00:00