CVE-2011-3356: Mantisbt

Medium severity, CVSS 4.3. EPSS: 2.9% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in config_defaults_inc.php in MantisBT before 1.2.8 allow remote attackers to inject arbitrary web script or HTML via the PATH_INFO, as demonstrated by the PATH_INFO to (1) manage_config_email_page.php, (2) manage_config_workflow_page.php, or (3) bugs/plugin.php.

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.