CVE-2020-20290: Yccms

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Directory traversal vulnerability in the yccms 3.3 project. The delete, deletesite, and deleteAll functions' improper judgment of the request parameters, triggers a directory traversal vulnerability.

Affected products

• Yccms Yccms: version 3.3 only

Published 2021-02-01. Last modified 2026-06-17.