CVE-2009-2371: Michelle Cox Advanced Forum

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Advanced Forum 6.x before 6.x-1.1, a module for Drupal, does not prevent users from modifying user signatures after the associated comment format has been changed to an administrator-controlled input format, which allows remote authenticated users to inject arbitrary web script, HTML, and possibly PHP code via a crafted user signature.

Affected products

• Michelle Cox Advanced Forum: version 6.x-1.0 only; version 6.x-1.x-dev only

Published 2009-07-08. Last modified 2026-06-16.