CVE-2024-34507 Information

Description

An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki before 1.39.7 1.40.x before 1.40.3 and 1.41.x before 1.41.1. XSS can occur because of mishandling of the 0x1b character as demonstrated by Special:RecentChanges%1b0000000.

Reference

https://phabricator.wikimedia.org/T355538