CVE-2021-42945: Zzcms

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

A SQL Injection vulnerability exists in ZZCMS 2021 via the askbigclassid parameter in /admin/ask.php.

Affected products

• Zzcms Zzcms: version 2021 only

Published 2021-12-15. Last modified 2026-06-17.