CVE-2024-57052: Youdiancms

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue in youdiancms v.9.5.20 and before allows a remote attacker to escalate privileges via the sessionID parameter in the index.php file.

Affected products

• Youdiancms Youdiancms: up to and including 9.5.20

Published 2025-01-27. Last modified 2026-06-17.