CVE-2020-37227

high

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.

References

https://www.vulncheck.com/advisories/wordpress-plugin-hs-brand-logo-slider-unrestricted-file-upload

https://www.heliossolutions.co/

https://www.exploit-db.com/exploits/48913

https://ms.wordpress.org/plugins/hs-brand-logo-slider/

Details

Source: Mitre, NVD

Published: 2026-05-16

Updated: 2026-05-16

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

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

Severity: High