CVE-2010-0940: Sanusart Simple PHP Guestbook

Medium severity, CVSS 4.3. EPSS: 1.7% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in guestbook.php in Simple PHP Guestbook 1.0 allows remote attackers to inject arbitrary web script or HTML via the action parameter.

Affected products

• Sanusart Simple PHP Guestbook: version 1.0 only

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