CVE-2006-6790: Ultimate PHP Board

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

Direct static code injection vulnerability in chat/login.php in Ultimate PHP Board (UPB) 2.0b1 and earlier allows remote attackers to inject arbitrary PHP code via the username parameter, which is injected into chat/text.php.

Affected products

• Ultimate PHP Board Ultimate PHP Board: up to and including 2.0_beta_1

Published 2006-12-28. Last modified 2026-06-16.