CVE-2011-5303: Clausmuus Spitfire

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Spitfire CMS 1.0.436 allows remote attackers to inject arbitrary web script or HTML via a cms_username cookie.

Affected products

• Clausmuus Spitfire: version 1.0436 only

Published 2015-01-01. Last modified 2026-06-16.