CVE-2018-10519: Cmsmadesimple CMS Made Simple

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

CMS Made Simple (CMSMS) 2.2.7 contains a privilege escalation vulnerability from ordinary user to admin user by arranging for the eff_uid value within $_COOKIE[$this->_loginkey] to equal 1, because files in the tmp/ directory are accessible through HTTP requests. NOTE: this vulnerability exists because of an incorrect fix for CVE-2018-10084.

Affected products

Published 2018-04-27. Last modified 2026-06-17.