CVE-2018-18831: Mingsoft Mcms

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

An issue was discovered in com\mingsoft\cms\action\GeneraterAction.java in MCMS 4.6.5. An attacker can write a .jsp file (in the position parameter) to an arbitrary directory via a ../ Directory Traversal in the url parameter.

Affected products

Published 2018-10-30. Last modified 2026-06-17.