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 admin/edituser.php in CMS Made Simple 1.10.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the email parameter (aka the Email Address field in the Edit User template).

Multiple cross-site scripting (XSS) vulnerabilities in CMS Made Simple 1.7.1 and earlier allow remote attackers to inject arbitrary web script or HTML via input to the (1) Add Pages, (2) Add Global Content, (3) Edit Global Content, (4) Add Article, (5) Add Category, (6) Add Field Definition, or (7) Add Shortcut module.

Directory traversal vulnerability in lib/translation.functions.php in CMS Made Simple before 1.8.1 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the default_cms_lang parameter to an admin script, as demonstrated by admin/addbookmark.php, a different vulnerability than CVE-2008-5642.

Cross-site request forgery (CSRF) vulnerability in the Change Group Permissions module in CMS Made Simple 1.7.1 and earlier allows remote attackers to hijack the authentication of arbitrary users for requests that make permission modifications.

Cross-site scripting (XSS) vulnerability in admin/editprefs.php in the backend in CMS Made Simple (CMSMS) before 1.7.1 might allow remote attackers to inject arbitrary web script or HTML via the date_format_string parameter.