CVE-2007-0609: Advanced Guestbook

Medium severity, CVSS 5.1. EPSS: 7.5% chance of exploitation in the next 30 days.

Directory traversal vulnerability in Advanced Guestbook 2.4.2 allows remote attackers to bypass .htaccess settings, and execute arbitrary PHP local files or read arbitrary local templates, via a .. (dot dot) in a lang cookie, followed by a filename without its .php extension, as demonstrated via a request to index.php.

Affected products

• Advanced Guestbook Advanced Guestbook: version 2.4.2 only

Published 2007-05-09. Last modified 2026-06-16.