Unrestricted File Upload Vulnerability in HS Brand Logo Slider by Helios Solutions
CVE-2020-37227

8.7HIGH

Key Information:

Vendor

WordPress
Status
Hs Brand Logo Slider
Vendor
CVE Published:
16 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37227?

The HS Brand Logo Slider version 2.1 is susceptible to an unrestricted file upload vulnerability, which enables authenticated users to bypass the client-side validation of file extensions. By exploiting this vulnerability, malicious actors can upload arbitrary files by manipulating the upload requests directed to the logoupload parameter in the admin interface. This can lead to severe security risks, including the execution of remote code through the renaming of uploaded files to executable extensions such as .php.

Affected Version(s)

HS Brand Logo Slider 2.1

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-2020-37227 - Proof of Concept

References

https://www.exploit-db.com/exploits/48913
exploit
https://www.heliossolutions.co/
product
https://ms.wordpress.org/plugins/hs-brand-logo-slider/
product

CVSS V4

Score:
8.7
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

Net-Hunter
.