CMS Made Simple (CMSMS) 2.2.5 has XSS in admin/moduleinterface.php via the m1_errors parameter.
- http://packetstormsecurity.com/files/146035/CMS-Made-Simple-2.2.5-moduleinterface.php-m1_errors-Cross-Site-Scripting.html
- http://seclists.org/fulldisclosure/2018/Jan/83
No PoCs found on GitHub currently.