CVE-2026-44657 MantisBT: Stored XSS in File Download

Mantis Bug Tracker MantisBT is an open source issue tracker. Prior to 2.28.2, using showinline=1 parameter and a valid fileshowinlinetoken CSRF token on filedownload.php, an attacker can execute code by uploading a crafted XHTML attachment referencing a JavaScript attachment. This vulnerability i...