CVE-2014-8774
Cross-site scripting (XSS) vulnerability in manager/index.php in MODX Revolution 2.x before 2.2.15 allows remote attackers to inject arbitrary web script or HTML via the context_key parameter.
Date published : 2014-12-03
http://forums.modx.com/thread/92152/critical-login-xss-csrf-revolution-2-2-1-4-and-prior