CVE-2017-1000223: Modx Revolution

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

A stored web content injection vulnerability (WCI, a.k.a XSS) is present in MODX Revolution CMS version 2.5.6 and earlier. An authenticated user with permissions to edit users can save malicious JavaScript as a User Group name and potentially take control over victims' accounts. This can lead to an escalation of privileges providing complete administrative control over the CMS.

Affected products

• Modx Modx Revolution: up to and including 2.5.6

Published 2017-11-17. Last modified 2026-06-17.