Ticket #22035: 22035.diff

wp-includes/rewrite.php

@@ -1528 +1528 @@
                 // Old feed and service files
                 $deprecated_files = array(
                         '.*wp-(atom|rdf|rss|rss2|feed|commentsrss2)\.php$' => $this->index . '?feed=old',
-                        '.*wp-app\.php$' => $this->index . '?error=403',
+                        '.*wp-app\.php(/.*)?$' => $this->index . '?error=403',
                 );
 
                 // Registration rules