CVE-2011-4909: Joomla!

Medium severity, CVSS 4.3. EPSS: 1.9% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.5.12 allow remote attackers to inject arbitrary web script or HTML via the HTTP_REFERER header to (1) components/com_content/views/article/tmpl/form.php, (2) components/com_user/controller.php, (3) plugins/system/legacy/html.php, or (4) templates/beez/html/com_content/article/form.php.

Affected products

• Joomla! Joomla!: up to and including 1.5.11; version 1.5.0 only; version 1.5.1 only; version 1.5.2 only; version 1.5.3 only; version 1.5.4 only; …

Published 2012-10-07. Last modified 2026-06-16.