CVE-2026-44657
MantisBT: Stored XSS in File Download
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | mantisbt |
| Product | mantisbt |
| Published | May 28, 2026 |
| Last Updated | May 29, 2026 |
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Affected Versions
mantisbt / mantisbt
< 2.28.2
References
github.com: https://github.com/mantisbt/mantisbt/security/advisories/GHSA-p6fr-rxq7-xcg8 github.com: https://github.com/mantisbt/mantisbt/security/advisories/GHSA-9c3j-xm6v-j7j3 github.com: https://github.com/mantisbt/mantisbt/commit/26647b2e68ba30b9d7987d4e03d7a16416684bc2 mantisbt.org: https://mantisbt.org/bugs/view.php?id=37020