Vulnerability Description
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Prior to 2.28.2, using show_inline=1 parameter and a valid file_show_inline_token CSRF token on file_download.php, an attacker can execute code by uploading a crafted XHTML attachment referencing a JavaScript attachment. This vulnerability is fixed in 2.28.2.
Related Weaknesses (CWE)
References
- https://github.com/mantisbt/mantisbt/commit/26647b2e68ba30b9d7987d4e03d7a1641668
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-9c3j-xm6v-j7j3
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-p6fr-rxq7-xcg8
- https://mantisbt.org/bugs/view.php?id=37020
FAQ
What is CVE-2026-44657?
CVE-2026-44657 is a documented vulnerability. Mantis Bug Tracker (MantisBT) is an open source issue tracker. Prior to 2.28.2, using show_inline=1 parameter and a valid file_show_inline_token CSRF token on file_download.php, an attacker can execut...
How severe is CVE-2026-44657?
CVSS scoring is not yet available for CVE-2026-44657. Check NVD for updates.
Is there a patch for CVE-2026-44657?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.