Ticket #57885: 57885.diff

src/wp-includes/functions.php

@@ -1196 +1196 @@
 /**
  * Removes an item or items from a query string.
  *
+ * Important: The return value of remove_query_arg() is not escaped by default. Output should be
+ * late-escaped with esc_url() or similar to help prevent vulnerability to cross-site scripting
+ * (XSS) attacks.
+ *
  * @since 1.5.0
  *
  * @param string|string[] $key   Query key or keys to remove.