diff --git a/wp-includes/class-wp-query.php b/wp-includes/class-wp-query.php
index 49ac5540c5..a2451bcd01 100644
--- a/wp-includes/class-wp-query.php
+++ b/wp-includes/class-wp-query.php
@@ -759,7 +759,7 @@ class WP_Query {
 			$this->is_favicon = true;
 		}
 
-		if ( ! is_scalar( $qv['p'] ) || $qv['p'] < 0 ) {
+		if ( ! is_scalar( $qv['p'] ) || (int) $qv['p'] < 0 ) {
 			$qv['p']     = 0;
 			$qv['error'] = '404';
 		} else {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 1466ce01a0..feb53399cd 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-alpha-48958';
+$wp_version = '5.6-alpha-48960';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.