CVE-2020-23839

A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote attackers to execute JavaScript code in the client’s browser and harvest login credentials after a client clicks a link, enters credentials, and submits the login form.

Date published : 2020-09-01

https://www.exploit-db.com/exploits/49726

http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.html