Authenticated File Upload Vulnerability in Victor CMS by Victor Alagwu
CVE-2020-37073

8.6HIGH

Key Information:

Vendor

Victoralagwu

Status
Cmssite
Vendor
CVE Published:
3 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37073?

Victor CMS 1.0 contains a vulnerability that enables authenticated users, specifically administrators, to upload PHP files with arbitrary content via the user_image parameter. This flaw allows attackers to upload a malicious PHP shell to the /img/ directory. Once an attacker has successfully uploaded the file, they can execute system commands by accessing this file with a 'cmd' parameter, presenting a significant threat to the security and integrity of the web application.

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Affected Version(s)

CMSsite 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-2020-37073 - Proof of Concept

References

https://www.exploit-db.com/exploits/48490
exploit
https://github.com/VictorAlagwu/CMSsite
product
https://www.vulncheck.com/advisories/victor-cms-authentic...
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

Kishan Lal Choudhary
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