CVE-2009-2104: Udo Von Eynern Modern Guest Book Commenting System

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the Modern Guestbook / Commenting System (ve_guestbook) extension 2.7.1 and earlier for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Affected products

• Udo Von Eynern Modern Guest Book Commenting System: up to and including 2.5.1; up to and including 2.5.2; up to and including 2.5.3; up to and including 2.7.0; up to and including 2.7.1

Published 2009-06-17. Last modified 2026-06-16.