CVE-2024-58291: Flatboard

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Flatboard 3.2 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts in forum information fields. Attackers can insert JavaScript payloads that execute when other users view the forum, potentially stealing session cookies and executing client-side scripts.

Affected products

• Flatboard Flatboard: version 3.2 only

Published 2025-12-11. Last modified 2026-06-17.