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Vulnerability record · CVE-2020-37227 · published 16 May 2026

CVE-2020-37227: Unrestricted file upload vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.54% · top 56.7% CWE-434 · Unrestricted file upload Deferred
8.7CVSS 4.0 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://ms.wordpress.org/plugins/hs-brand-logo-slider/
https://www.exploit-db.com/exploits/48913
https://www.heliossolutions.co/
https://www.vulncheck.com/advisories/wordpress-plugin-hs-brand-logo-slider-unrestricted-file-upload

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Source: NIST National Vulnerability Database (record CVE-2020-37227), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.