CVE-2011-3578: Mantisbt

Medium severity, CVSS 4.3. EPSS: 1.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in bug_actiongroup_ext_page.php in MantisBT before 1.2.8 allows remote attackers to inject arbitrary web script or HTML via the action parameter, related to bug_actiongroup_page.php, a different vulnerability than CVE-2011-3357.

Affected products

• Mantisbt Mantisbt: up to and including 1.2.7; version 0.19.3 only; version 0.19.4 only; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; …

Published 2011-09-21. Last modified 2026-06-16.