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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-23839
Reference (s):
- EXPLOIT-DB:49726
- URL: https://www.exploit-db.com/exploits/49726
- http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.html
- https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330
- https://github.com/boku7/CVE-2020-23839