Command Injection Vulnerability in DefaultFunction Content-Management-System
CVE-2026-5333

6.9MEDIUM

Key Information:

Vendor

Defaultfuction

Status
Content-management-system
Vendor
CVE Published:
2 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5333?

A security flaw in version 1.0 of the DefaultFunction Content-Management-System allows for command injection through improper handling of the 'host' argument in the /admin/tools.php file. This vulnerability can be exploited remotely, potentially enabling an attacker to execute arbitrary commands on the server. The details of this issue have been made public, increasing the risk of exploitation. Users are advised to take immediate action to safeguard their systems.

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Affected Version(s)

Content-Management-System 1.0

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-2026-5333 - Proof of Concept

References

https://vuldb.com/vuln/354667
vdb-entrytechnical-description
https://vuldb.com/vuln/354667/cti
signaturepermissions-required
https://vuldb.com/submit/780849
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

Practice (VulDB User)
JSON
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