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Vulnerability record · CVE-2026-44655 · published 28 May 2026

CVE-2026-44655: Cross-site scripting vulnerability

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.

8.6 CVSS 4.0 High EPSS 0.44% · top 64.2% CWE-79 · Cross-site scripting Deferred
8.6CVSS 4.0 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
21 Jul 2026Last modified by NVD

Description

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-44655), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.