Remote Code Execution Vulnerability in Blackcat CMS by BlackCat
CVE-2023-53892

8.6HIGH

Key Information:

Vendor

Blackcat-cms

Status
Blackcat Cms
Vendor
CVE Published:
15 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53892?

Blackcat CMS version 1.4 is susceptible to a remote code execution vulnerability that enables authenticated administrators to upload malicious PHP files utilizing the jquery plugin manager. An attacker could exploit this flaw by uploading a zip file containing a PHP shell script. By accessing the uploaded PHP file with a specific 'code' parameter, unauthorized commands can be executed on the server, compromising its integrity and security.

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Affected Version(s)

Blackcat CMS 1.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53892 - Proof of Concept

References

https://www.exploit-db.com/exploits/51605
exploit
https://blackcat-cms.org/
product
https://www.vulncheck.com/advisories/blackcat-cms-remote-...
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mirabbas Ağalarov
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