En resumen
- CVE-2026-40607 es una vulnerabilidad ALTO (CVSS 7.5) que afecta a mantisbt/mantisbt.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.42%, mayor que el 36.2% de las vulnerabilidades.
- Solución: actualizar a 2.28.2 o posterior.
| Package | Affected versions | Patched versions |
|---|
| mantisbt/mantisbt Packagist | ≥ 2.1.0, < 2.28.2
| 2.28.2
|
Description
Incorrect escaping of a saved filter's owner allows an attacker to inject arbitrary HTML on systems where $g_show_user_realname = ON.
Impact
Cross-site scripting (XSS).
Note that By default, only users with Manager access level or above can save their filters publicly
Patches
- 44f490bcf20fd491c1b8f3fc9dd041d8c2a30010
Workarounds
- Prevent display of users' real name (set
$g_ show_user_realname = OFF; in configuration)
- Restrict ability to store filters (set $
g_stored_query_create_threshold / $g_stored_query_create_shared_threshold to NOBODY
Credits
Thanks to siunam (Tang Cheuk Hei) for discovering and responsibly reporting the issue.
NVD description
Mantis Bug Tracker (MantisBT) is an open source issue tracker. In versions 2.11.0 through 2.28.1, a Stored XSS vulnerability is caused by incorrect escaping of a saved filter's owner, allowing an attacker to inject arbitrary HTML on systems where $g_show_user_realname = ON. Note that By default, only users with Manager access level or above can save their filters publicly. This issue has been fixed in version 2.28.2. If developers are unable to update immediately, they can work around this issue by preventing display of users' real names (set $g_ show_user_realname = OFF; in configuration), and restricting the ability to store filters (set $g_stored_query_create_threshold / $g_stored_query_create_shared_threshold to NOBODY).
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