CMS Made Simple 2.x before 2.1.3 and 1.x before 1.12.2, when Smarty Cache is activated, allow remote attackers to conduct cache poisoning attacks, modify links, and conduct cross-site scripting (XSS) attacks via a crafted HTTP Host header in a request.

Cross-site scripting (XSS) vulnerability in lib/filemanager/ImageManager/editorFrame.php in CMS Made Simple 1.11.10 allows remote attackers to inject arbitrary web script or HTML via the action parameter, a different issue than CVE-2014-0334. NOTE: the original disclosure also reported issues that may not cross privilege boundaries.