CVE-2026-40596
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
May 22, 2026
Vendor
unknown
Description
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability (CSP bypass, see GHSA-9c3j-xm6v-j7j3), the attacker could achieve account takeover. This issue has been fixed in version 2.28.2.
References
- https://github.com/mantisbt/mantisbt/commit/9e8409cdd979eba86ef532756fc47c1d8112d22d
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-9c3j-xm6v-j7j3
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-j3v9-553h-x28j
- https://mantisbt.org/bugs/view.php?id=37011
- https://mantisbt.org/bugs/view.php?id=37016