CVE-2018-10085: Cmsmadesimple CMS Made Simple

Critical severity, CVSS 9.8. EPSS: 3.8% chance of exploitation in the next 30 days.

CMS Made Simple (CMSMS) through 2.2.6 allows PHP object injection because of an unserialize call in the _get_data function of \lib\classes\internal\class.LoginOperations.php. By sending a crafted cookie, a remote attacker can upload and execute code, or delete files.

Affected products

• Cmsmadesimple CMS Made Simple: up to and including 2.2.6

Published 2018-04-13. Last modified 2026-06-17.