From 3674f4a10162485e26bc81b64ee0ac95283b0acd Mon Sep 17 00:00:00 2001
From: Dion Hulse <dd32@git.wordpress.org>
Date: Sat, 13 Feb 2010 00:02:47 +0000
Subject: [PATCH] Do not poison query vars with /&foo=bar/ in requested URL.
 See #8949

git-svn-id: https://develop.svn.wordpress.org/trunk@13071 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/classes.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index 43d38734da..e6aa1b8cfb 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -1691,7 +1691,7 @@ class WP_MatchesMapRegex {
 	 */
 	function callback($matches) {
 		$index = intval(substr($matches[0], 9, -1));
-		return ( isset( $this->_matches[$index] ) ? $this->_matches[$index] : '' );
+		return ( isset( $this->_matches[$index] ) ? urlencode($this->_matches[$index]) : '' );
 	}
 
 }