MantisBT XSS 1.3.0-2.28.1 via Unescaped Project Name in Move Attachments Page
CVE-2026-44655 Published on May 28, 2026
MantisBT: Stored XSS on Move Attachments Admin Page
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.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-44655 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-44655
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Affected Versions
mantisbt Version >= 1.3.0, < 2.28.2 is affected by CVE-2026-44655Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.