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Strip control characters before validating redirect.

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Merges [40183] to 4.2 branch.

Built from https://develop.svn.wordpress.org/branches/4.2@40189


git-svn-id: http://core.svn.wordpress.org/branches/4.2@40128 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Aaron Campbell 2017-03-06 13:44:24 +00:00
parent 2bc231688e
commit db266e95e1
1 changed files with 1 additions and 1 deletions
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2
wp-includes/pluggable.php
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@ -1284,7 +1284,7 @@ if ( !function_exists('wp_validate_redirect') ) :
* @return string redirect-sanitized URL
**/
function wp_validate_redirect($location, $default = '') {
$location = trim( $location );
$location = trim( $location, " \t\n\r\0\x08\x0B" );
// browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'
if ( substr($location, 0, 2) == '//' )
$location = 'http:' . $location;