CVE-2018-13056: Zzcms

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

An issue was discovered on zzcms 8.3. There is a vulnerability at /user/del.php that can delete any file by placing its relative path into the zzcms_main table and then making an img add request. This can be leveraged for database access by deleting install.lock.

Affected products

• Zzcms Zzcms: version 8.3 only

Published 2018-07-02. Last modified 2026-06-17.