CVE-2003-1546: Filebased Guestbook

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

Cross-site scripting (XSS) vulnerability in gbook.php in Filebased guestbook 1.1.3 allows remote attackers to inject arbitrary web script or HTML via the comment section.

Affected products

• Filebased Guestbook: version 1.1.3 only

Published 2003-12-31. Last modified 2026-06-16.