Ticket #19856: 19856.diff

wp-includes/functions.php

@@ -1333 +1333 @@
         else if ( ! empty( $_SERVER['HTTP_REFERER'] ) )
                 $ref = $_SERVER['HTTP_REFERER'];
 
-        if ( $ref && $ref !== $_SERVER['REQUEST_URI'] )
+        if ( $ref && parse_url( $ref, PHP_URL_PATH ) !== $_SERVER['REQUEST_URI'] )
                 return $ref;
         return false;
 }