# Exploit Title: Backdrop CMS 1.20.0 - 'Multiple' Cross-Site Request Forgery (CSRF)
# Exploit Author: V1n1v131r4
# Date: 2021-09-22
# Vendor Homepage: https://backdropcms.org/
# Software Link: https://github.com/backdrop/backdrop/releases/download/1.20.0/backdrop.zip
# Version: 1.20.0
# Tested On: Kali Linux, Ubuntu 20.04
# Description: Backdrop CMS suffers from an Cross-site Request Forgery Vulnerability allowing Remote Attackers to add new user with Admin powers.
# Description: Backdrop CMS suffers from an Cross-site Request Forgery Vulnerability allowing Remote Attackers to gain Remote Code Execution (RCE) on the Hosting Webserver via uploading a maliciously add-on with crafted PHP file.
# Step 1
# Send this page below to the victim
Run on your browser: http://example.com/backdrop/modules/reference/shell.php?cmd=[command] to execute remote commands.