CVE-2020-37227
WordPress Plugin HS Brand Logo Slider 2.1 Unrestricted File Upload
- State
- Published
- Severity
- 8.7 High
- Published
- May 16, 2026
- Updated
- Jul 28, 2026
- Reserved
- May 15, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
HS Brand Logo SliderHeliossolutions |
|
References
- ExploitDB-48913exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: WordPress Plugin HS Brand Logo Slider 2.1 Unrestricted File Uploadthird-party-advisory
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