An issue was discovered in CMS Made Simple 2.2.8. In the module FrontEndUsers (in the file class.FrontEndUsersManipulate.php or class.FrontEndUsersManipulator.php), it is possible to reach an unserialize call with an untrusted FEU cookie, and achieve authenticated object injection.
An issue was discovered in CMS Made Simple 2.2.8. In the module ModuleManager (in the file action.installmodule.php), it is possible to reach an unserialize call with untrusted input and achieve authenticated object injection by using the "install module" feature.
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.adminbulkcss.php and action.adminbulktemplate.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1allparms parameter, and achieve object injection.
An issue was discovered in CMS Made Simple 2.2.8. In the module FilePicker, it is possible to reach an unserialize call with an untrusted parameter, and achieve authenticated object injection.
An issue was discovered in CMS Made Simple 2.2.8. It is possible with the News module, through a crafted URL, to achieve unauthenticated blind time-based SQL injection via the m1idlist parameter.
An issue was discovered in CMS Made Simple 2.2.8. It is possible to achieve unauthenticated path traversal in the CGExtensions module (in the file action.setdefaulttemplate.php) with the m1filename parameter; and through the action.showmessage.php file, it is possible to read arbitrary file content (by using that path traversal with m1prefname set to cgerrormsg and m1resettodefault=1).
An issue was discovered in CMS Made Simple 2.2.8. It is possible, with an administrator account, to achieve command injection by modifying the path of the e-mail executable in Mail Settings, setting "sendmail" in the "Mailer" option, and launching the "Forgot your password" feature.
An issue was discovered in CMS Made Simple 2.2.8. In the administrator page admin/changegroupperm.php, it is possible to send a crafted value in the selgroups parameter that leads to authenticated object injection.
There is a reflected XSS vulnerability in the CMS Made Simple 2.2.8 admin/myaccount.php. This vulnerability is triggered upon an attempt to modify a user's mailbox with the wrong format. The response contains the user's previously entered email address.
CMS Made Simple 2.2.8 allows XSS via an uploaded SVG document, a related issue to CVE-2017-16798.