CMS Made Simple 1.1.3.1 does not check the permissions assigned to users in some situations, which allows remote authenticated users to per…

CMS Made Simple 1.1.3.1 does not check the permissions assigned to users in some situations, which allows remote authenticated users to perform some administrative actions, as demonstrated by (1) adding a user via a direct request to admin/adduser.php and (2) reading the admin log via an "admin/adminlog.php?page=1" request.