Remote code execution vulnerability in /cmsms-2.1.6-install.php/index.php in CMS Made Simple version 2.1.6 allows remote attackers to inject arbitrary PHP code via the "timezone" parameter in step 4 of a fresh installation procedure.
CMS Made Simple version 2.1.6 and 2.2 are vulnerable to Smarty templating injection in some core modules, resulting in unauthenticated PHP code execution.
CMS Made Simple 2.1.6, 2.2, 2.2.1 are vulnerable to Smarty Template Injection in some core components, resulting in local file read before 2.2, and local file inclusion since 2.2.1
In admin\addgroup.php in CMS Made Simple 2.1.6, when adding a user group, there is no XSS filtering, resulting in storage-type XSS generation, via the description parameter in an addgroup action.
CMS Made Simple (CMSMS) 2.1.6 allows remote authenticated administrators to execute arbitrary PHP code via the code parameter to admin/editusertag.php, related to the CreateTagFunction and CallUserTag functions. NOTE: the vendor reportedly has stated this is "a feature, not a bug.