CVE-2009-4687: Hypersilence Silentum Guestbook

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

SQL injection vulnerability in silentum_guestbook.php in Silentum Guestbook 2.0.2 allows remote attackers to execute arbitrary SQL commands via the messageid parameter.

Affected products

• Hypersilence Silentum Guestbook: version 2.0.2 only

Published 2010-03-10. Last modified 2026-06-16.