CMS Made Simple 2.2.8 DesignManager action.admin_bulk_css.php m1_allparms privilege escalation

A vulnerability, which was classified as critical, has been found in CMS Made Simple 2.2.8 (Content Management System). Affected by this issue is an unknown part of the file action.admin_bulk_css.php of the component DesignManager. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.