CVE-2008-6934: Sansuart Free Simple Guestbook PHP Script

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

Static code injection vulnerability in Sanus|artificium (aka Sanusart) Free simple guestbook PHP script, when downloaded before 20081111, allows remote attackers to inject arbitrary PHP code into messages.txt via the message parameter to act.php, which is executed when guestbook/guestbook.php is accessed. NOTE: some of these details are obtained from third party information.

Affected products

• Sansuart Free Simple Guestbook PHP Script: any version

Published 2009-08-11. Last modified 2026-06-16.