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CVE-2020-23839

Description

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.

POC

Reference

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

- https://github.com/boku7/CVE-2020-23839

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

Github

- https://github.com/404notf0und/CVE-Flow

- https://github.com/ARPSyndicate/cvemon

- https://github.com/Janalytics94/anomaly-detection-software

- https://github.com/Live-Hack-CVE/CVE-2020-23839

- https://github.com/boku7/CVE-2020-23839

- https://github.com/nomi-sec/PoC-in-GitHub