Security Advisory
CVE-2017-1000223
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
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.