CVE-2005-2814: Flatnuke

Medium severity, CVSS 4.3. EPSS: 1.7% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in FlatNuke 2.5.6 allows remote attackers to inject arbitrary web script or HTML via the usr parameter in a vis_reg operation to index.php.

Affected products

• Flatnuke Flatnuke: version 2.5.6 only

Published 2005-09-07. Last modified 2026-06-16.