CVE-2017-17735: Cmsmadesimple CMS Made Simple

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

CMS Made Simple (CMSMS) before 2.2.5 does not properly cache login information in cookies.

Affected products

• Cmsmadesimple CMS Made Simple: before 2.2.5 (fixed in 2.2.5)

Published 2017-12-18. Last modified 2026-06-17.