Tag 4.1.27

Built from https://develop.svn.wordpress.org/tags/4.1.27@46058


git-svn-id: http://core.svn.wordpress.org/tags/4.1.27@45870 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/about.php

@@ -42,7 +42,47 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 </h2>
 
 <div class="changelog point-releases">
-	<h3><?php echo _n( 'Maintenance and Security Release', 'Maintenance and Security Releases', 25 ); ?></h3>
+	<h3><?php echo _n( 'Maintenance and Security Release', 'Maintenance and Security Releases', 27 ); ?></h3>
+	<p>
+		<?php
+		printf(
+			/* translators: %s: WordPress version number */
+			__( '<strong>Version %s</strong> addressed some security issues.' ),
+			'4.1.27'
+		);
+		?>
+		<?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( '4.1.27' )
+			)
+		);
+		?>
+	</p>
+	<p>
+		<?php
+		printf(
+			/* translators: %s: WordPress version number */
+			__( '<strong>Version %s</strong> addressed a security issue.' ),
+			'4.1.26'
+		);
+		?>
+		<?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( '4.1.26' )
+			)
+		);
+		?>
+	</p>
 	<p>
 		<?php
 		/* translators: %s: WordPress version number */

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' );

wp-admin/includes/ajax-actions.php

@@ -950,6 +950,8 @@ 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 {
@@ -1845,7 +1847,7 @@ 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'] ),
 			)
 		) );
 
@@ -1859,7 +1861,7 @@ 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'] ),
 				)
 			) );
 
@@ -1883,7 +1885,7 @@ 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'] ),
 				)
 			) );
 
@@ -1898,7 +1900,7 @@ 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'] ),
 			)
 		) );
 

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 {

wp-includes/kses.php

@@ -1373,6 +1373,7 @@ function wp_kses_html_error($string) {
  * @return string Sanitized content
  */
 function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1 ) {
+	$string  = preg_replace( '/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string );
 	$string2 = preg_split( '/:|&#0*58;|&#x0*3a;/i', $string, 2 );
 	if ( isset($string2[1]) && ! preg_match('%/\?%', $string2[0]) ) {
 		$string = trim( $string2[1] );

wp-includes/pluggable.php

@@ -1259,6 +1259,14 @@ 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;

wp-includes/post-template.php

@@ -290,24 +290,9 @@ 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.
  *

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1.25';
+$wp_version = '4.1.27';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.