CVE-2004-2738: Zeroboard

Medium severity, CVSS 4.3. EPSS: 1.9% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in check_user_id.php in ZeroBoard 4.1pl4 and earlier allows remote attackers to inject arbitrary web script or HTML via the user_id parameter.

Affected products

• Zeroboard Zeroboard: version 4.1_pl2 only; version 4.1_pl3 only; version 4.1_pl4 only

Published 2004-12-31. Last modified 2026-06-16.