CVE-2026-44655
MantisBT has Stored XSS on Move Attachments Admin Page
EPSS 0.06%
Description
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. ### Impact Cross-site scripting (XSS). This is mitigated by Content Security Policy which restricts scripts execution. ### Patches - 5cb4b469295889f5d2b01677c9bf82c143e0fdaa ### Workarounds None
How to fix CVE-2026-44655
To remediate CVE-2026-44655, upgrade the affected package to a fixed version below.
- Packagist/mantisbt/mantisbt—upgrade to 2.28.2 or later
Is CVE-2026-44655 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.3.0, < 2.28.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |