CVE-2009-4678: Winn Guestbook

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

Cross-site scripting (XSS) vulnerability in index.php in Winn Guestbook 2.4 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO.

Affected products

• Winn Winn Guestbook: version 2.4 only

Published 2010-03-08. Last modified 2026-06-16.