Ticket #58102: 58102.4.diff

src/wp-includes/revision.php

@@ -741 +741 @@
                 $id = (int) $_GET['preview_id'];
 
                 if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) ) {
-                        wp_die( __( 'Sorry, you are not allowed to preview drafts.' ), 403 );
+                        wp_die( esc_html__( 'Sorry, you are not allowed to preview drafts.' ), 403 );
                 }
 
                 add_filter( 'the_preview', '_set_preview' );
@@ -766 +766 @@
                 return $terms;
         }
 
-        if ( empty( $_REQUEST['post_format'] ) || $post->ID != $post_id
+        if ( empty( $_REQUEST['post_format'] ) || $post->ID !== $post_id
                 || 'post_format' !== $taxonomy || 'revision' === $post->post_type
         ) {
                 return $terms;
@@ -804 +804 @@
 
         if ( empty( $_REQUEST['_thumbnail_id'] ) ||
                 empty( $_REQUEST['preview_id'] ) ||
-                $post->ID != $post_id ||
+                $post->ID !== $post_id ||
                 '_thumbnail_id' !== $meta_key ||
                 'revision' === $post->post_type ||
-                $post_id != $_REQUEST['preview_id'] ) {
+                $post_id !== $_REQUEST['preview_id'] ) {
 
                 return $value;
         }