CMS Made Simple 2.2.14 allows an authenticated user with access to the Content Manager to edit content and put persistent XSS payload in the affected text fields. The user can get cookies from every authenticated user who visits the website.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24860
Reference (s):
- http://packetstormsecurity.com/files/159434/CMS-Made-Simple-2.2.14-Cross-Site-Scripting.html
- https://www.cmsmadesimple.org
- https://www.exploit-db.com/exploits/48851
- https://www.youtube.com/watch?v=M6D7DmmjLak&t=22s