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.

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
.