CMS Made Simple (CMSMS) through 2.2.7 contains an arbitrary code execution vulnerability in the admin dashboard because the implementation uses "eval('function testfunction'.rand()" and it is possible to bypass certain restrictions on these "testfunction" functions.
CMS Made Simple (aka CMSMS) 2.2.7 has Reflected XSS in admin/moduleinterface.php via the m1_name parameter, related to moduledepends, a different vulnerability than CVE-2017-16799.
CMS Made Simple version versions 2.2.5 contains a Cross ite Request Forgery (CSRF) vulnerability in Admin profile page that can result in Details can be found here http://dev.cmsmadesimple.org/bug/view/11715. This attack appear to be exploitable via A specially crafted web page. This vulnerability appears to have been fixed in 2.2.6.
CMS Made Simple version 2.2.5 contains a Remote Code Execution vulnerability in File Manager that can result in Allows an authenticated admin that has access to the file manager to execute code on the server. This attack appear to be exploitable via File upload -> copy to any extension.