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.

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