CVE-2011-3358: Mantisbt

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

Multiple cross-site scripting (XSS) vulnerabilities in MantisBT before 1.2.8 allow remote attackers to inject arbitrary web script or HTML via the (1) os, (2) os_build, or (3) platform parameter to (a) bug_report_page.php or (b) bug_update_advanced_page.php, related to use of the Projax library.

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.