CVE-2018-17798: Zzcms

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in zzcms 8.3. user/ztconfig.php allows remote attackers to delete arbitrary files via an absolute pathname in the oldimg parameter in an action=modify request. This can be leveraged for database access by deleting install.lock.

Affected products

• Zzcms Zzcms: version 8.3 only

Published 2018-09-30. Last modified 2026-06-17.