CVE-2005-4687: F-Art Agency Blog CMS

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

PunBB 1.2.9, used alone or with F-ART BLOG:CMS, may trust a client's IP address as specified in the X-Forwarded-For HTTP header rather than the TCP/IP stack, which allows remote attackers to misrepresent their IP address by sending a modified header.

Affected products

• F-Art Agency Blog CMS: version 3.0 only; version 3.1 only; version 3.1.2 only; version 3.1.3 only; version 3.1.4 only; version 3.6.2 only; …
• Punbb Punbb: version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; version 1.2.6 only; …

Published 2005-12-31. Last modified 2026-06-16.