CVE-2021-40281: Zzcms

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An SQL Injection vulnerability exists in zzcms 8.2, 8.3, 2020, and 2021 in dl/dl_print.php when registering ordinary users.

Affected products

• Zzcms Zzcms: version 8.2 only; version 8.3 only; version 2020 only; version 2021 only

Published 2021-12-09. Last modified 2026-06-17.