CVE-2018-9331: Zzcms

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

An issue was discovered in zzcms 8.2. user/adv.php allows remote attackers to delete arbitrary files via directory traversal sequences in the oldimg parameter. This can be leveraged for database access by deleting install.lock.

Affected products

• Zzcms Zzcms: version 8.2 only

Published 2018-04-07. Last modified 2026-06-17.