CVE-2009-4408: Pyforum

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

Multiple cross-site scripting (XSS) vulnerabilities in models.parser in PyForum 1.0.3 and possibly earlier versions, and possibly zForum, allow remote attackers to inject arbitrary web script or HTML via crafted BBcode (1) img or (2) url tags, which are not properly handled when a post is viewed.

Affected products

• Pyforum Pyforum: up to and including 1.0.3; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only

Published 2009-12-23. Last modified 2026-06-16.