CVE-2011-4909

Name of the Vulnerable Software and Affected Versions Joomla! versions prior to 1.5.12

Description The issue allows remote attackers to inject arbitrary web script or HTML via the HTTP REFERER header to various components and templates, including (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".

Recommendations For versions prior to 1.5.12, update to version 1.5.12 or later to resolve the issue. As a temporary workaround, consider restricting access to the affected components and templates until a patch is applied. Avoid using the HTTP REFERER header in sensitive operations until the issue is resolved.