Ticket #22448: 22448.diff

wp-includes/post.php

@@ -581 +581 @@
                         wp_cache_add( $_post->ID, $_post, 'posts' );
                 }
 
+                // Sanitize the post if it has not been satized.
+                if ( empty( $_post->filter ) ) {
+                        $_post = sanitize_post( $_post, 'raw' );
+                        wp_cache_set( $_post->ID, $_post, 'posts' );
+                }
+
                 return new WP_Post( $_post );
         }