CVE-2005-1894: Flatnuke

High severity, CVSS 7.5. EPSS: 3.7% chance of exploitation in the next 30 days.

Direct code injection vulnerability in FlatNuke 2.5.3 allows remote attackers to execute arbitrary PHP code by placing the code into the Referer header of an HTTP request, which causes the code to be injected into referer.php, which can then be accessed by the attacker.

Affected products

• Flatnuke Flatnuke: version 2.5.3 only

Published 2005-06-09. Last modified 2026-06-16.