CVE-2009-4056: Betsy CMS

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

Directory traversal vulnerability in admin/popup.php in Betsy CMS 3.5 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the popup parameter.

Affected products

• Betsy Betsy CMS: version 3.5 only

Published 2009-11-24. Last modified 2026-06-16.