CVE-2020-37227 HIGH

CVE-2020-37227: WordPress Plugin HS Brand Logo Slider 2.1 Unrestricted File Upload

Vendor Heliossolutions
Product HS Brand Logo Slider
Weakness CWE-434 · Unrestricted file upload
Published May 16, 2026
Last update May 18, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

Description

HS Brand Logo Slider 2.1 contains an unrestricted file upload vulnerability that allows authenticated users to bypass client-side file extension validation by uploading arbitrary files. Attackers can intercept upload requests to the logoupload parameter in the admin interface and rename files to executable extensions .php to achieve remote code execution.

Key dates

Disclosure timeline

May 16, 2026 CVE published
May 18, 2026 Record updated