CVE-2006-0604: Hinton Design Phphg Guestbook

High severity, CVSS 7.5. EPSS: 2.7% chance of exploitation in the next 30 days.

check.php in Hinton Design phphg Guestbook 1.2 does not check the user password when authenticating via cookies, which allows remote attackers to gain unauthorized access.

Affected products

Published 2006-02-08. Last modified 2026-06-16.