CVE-2017-6556: Cmsmadesimple CMS Made Simple

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in CMS Made Simple (CMSMS) 2.1.6 allows remote authenticated users to inject arbitrary web script or HTML via the "adminpage > sitesetting > General Settings > globalmetadata" field.

Affected products

• Cmsmadesimple CMS Made Simple: version 2.1.6 only

Published 2017-03-09. Last modified 2026-06-17.