Editor: Fix Path Traversal issue on Windows in Template-Part Block.

Merges [58470] to the 4.5 branch.
Props xknown, jorbin.



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git-svn-id: http://core.svn.wordpress.org/branches/4.5@57946 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
audrasjb 2024-06-24 15:49:22 +00:00
parent 506b84fb93
commit e693dd8534

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@ -4117,6 +4117,9 @@ function iis7_supports_permalinks() {
* @return int 0 means nothing is wrong, greater than 0 means something was wrong.
*/
function validate_file( $file, $allowed_files = '' ) {
// Normalize path for Windows servers
$file = wp_normalize_path( $file );
if ( false !== strpos( $file, '..' ) )
return 1;