CVE-2011-4335: Contao CMS

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in Contao before 2.10.2 allow remote attackers to inject arbitrary web script or HTML via the PATH_INFO to index.php in a (1) teachers.html or (2) teachers/ action.

Affected products

• Contao Contao CMS: up to and including 2.10.1; version 2.0 only; version 2.1.0 only; version 2.1.1 only; version 2.1.2 only; version 2.1.3 only; …

Published 2011-11-28. Last modified 2026-06-16.