# Exploit Title: GetSimple CMS Plugin Multi User v1.8.2 - Cross-Site Request Forgery (Add Admin) # Exploit Author: Bobby Cooke (boku) & Adeeb Shah (@hyd3sec) # Date: August 2020-08-12 # Vendor Homepage: http://get-simple.info/extend/plugin/multi-user/133/ # Software Link: http://get-simple.info/extend/export/960/133/multi-user.zip # Version: 1.8.2 # Tested On: Windows 10 Pro + XAMPP # CWE-352: Cross-Site Request Forgery (CSRF) # Vulnerability Description: # Cross-Site Request Forgery (CSRF) vulnerability in Multi User v1.8.2 plugin for GetSimple CMS allows remote attackers to add an Admin user via authenticated admin visiting a third-party site. ## Usage: + Change to target IP address or domain name + Change to target username + Change to target password ## CSRF POST Form Method