CVE-2008-6727: Myupb Upb

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Ultimate PHP Board (UPB) 2.2.2, 2.2.1, and earlier 2.x versions allows remote attackers to inject arbitrary web script or HTML via the User-Agent HTTP header.

Affected products

• Myupb Upb: version 2.0 only; version 2.1.1b only; version 2.2.1 only; version 2.2.2 only

Published 2009-04-20. Last modified 2026-06-16.