CVE-2026-44655: Mantisbt

High severity, CVSS 8.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.3.0 to 2.28.1, unescaped Project Name allows an attacker that can set it (which typically requires manager or administrator access level) to inject HTML in Move Attachments admin page. This vulnerability is fixed in 2.28.2.

Affected products

• Mantisbt Mantisbt: from 1.3.0, before 2.28.2 (fixed in 2.28.2)

Published 2026-05-28. Last modified 2026-07-21.