CVE-2026-40596

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability (CSP bypass, see GHSA-9c3j-xm6v-j7j3), the attacker could achieve account takeover. This issue has been fixed in version 2.28.2.

CVSS

No CVSS.

References

Link	Resource
https://github.com/mantisbt/mantisbt/commit/9e8409cdd979eba86ef532756fc47c1d8112d22d
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-9c3j-xm6v-j7j3
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-j3v9-553h-x28j
https://mantisbt.org/bugs/view.php?id=37011
https://mantisbt.org/bugs/view.php?id=37016

Configurations

No configuration.

History

23 Jul 2026, 16:10

Type	Values Removed	Values Added
Summary		(es) Mantis Bug Tracker (MantisBT) es un sistema de seguimiento de incidencias de código abierto. Las versiones 2.11.0 a la 2.28.1 permiten a cualquier usuario autenticado inyectar HTML arbitrario actualizando la familia de fuentes de su cuenta. Tras la explotación, una carga útil de XSS se reflejaría en cada página de MantisBT. Aprovechando otra vulnerabilidad (omisión de CSP, ver GHSA-9c3j-xm6v-j7j3), el atacante podría lograr la toma de control de la cuenta. Este problema ha sido corregido en la versión 2.28.2.

22 May 2026, 20:31

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-22 20:16

Updated : 2026-07-23 16:10

NVD link : CVE-2026-40596

Mitre link : CVE-2026-40596

CVE.ORG link : CVE-2026-40596

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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