CVE-2018-17412: Zzcms

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

zzcms v8.3 contains a SQL Injection vulnerability in /user/logincheck.php via an X-Forwarded-For HTTP header.

Affected products

• Zzcms Zzcms: version 8.3 only

Published 2019-03-07. Last modified 2026-06-17.