CVE-2024-37656: Sir Gnuboard

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

An open redirect vulnerability in gnuboard5 v.5.5.16 allows a remote attacker to obtain sensitive information via the insufficient URL parameter verification in bbs/logout.php.

Affected products

• Sir Gnuboard: version 5.5.16 only

Published 2025-07-07. Last modified 2026-06-17.