A HIGH-severity vulnerability identified as CVE-2020-37227 has been published on May 16, 2026 with a CVSS base score of 8.8. This security advisory provides a detailed breakdown of the vulnerability, its potential impact, weakness classification, and actionable steps to protect your systems.
Table of Contents
ToggleVulnerability Details
CVE ID: CVE-2020-37227
Severity: HIGH
CVSS Score: 8.8
Published: May 16, 2026
Weakness (CWE): CWE-434
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Confidentiality Impact | High |
| Integrity Impact | High |
| Availability Impact | High |
Technical 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.
Potential Impact
If exploited, this high-severity vulnerability could allow an attacker to compromise sensitive data confidentiality, tamper with system integrity, cause a denial of service. Organizations running affected software should treat this as a priority remediation item.
Recommended Action
No official patch is available yet. Until one is released:
- Monitor the official NVD page and vendor channels for patch announcements.
- Restrict access to the affected system or service where possible.
- Apply network-level mitigations such as firewall rules or WAF policies.
- Enable logging and alerting for anomalous activity related to this vulnerability.
- Review your incident response plan in case of active exploitation.
References
Related Security Advisories
- [HIGH] CVE-2026-44088 — CVSS 8.6 (May 15, 2026) — HIGH / CVSS 8.6
- [HIGH] CVE-2026-25705 — CVSS 8.4 (May 13, 2026) — HIGH / CVSS 8.4
- [HIGH] CVE-2026-2993 — CVSS 7.5 (May 12, 2026) — HIGH / CVSS 7.5

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