CVE-2019-9055: Cmsmadesimple CMS Made Simple

High severity, CVSS 8.8. EPSS: 12.3% chance of exploitation in the next 30 days.

An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.

Affected products

• Cmsmadesimple CMS Made Simple: up to and including 2.2.8

Published 2019-03-26. Last modified 2026-06-17.