A HIGH-severity vulnerability identified as CVE-2026-39467 has been published on April 21, 2026 with a CVSS base score of 7.2. 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-2026-39467
Severity: HIGH
CVSS Score: 7.2
Published: April 21, 2026
Weakness (CWE): CWE-502
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | High |
| User Interaction | None |
| Confidentiality Impact | High |
| Integrity Impact | High |
| Availability Impact | High |
Technical Description
Deserialization of Untrusted Data vulnerability in MetaSlider Responsive Slider by MetaSlider allows Object Injection.This issue affects Responsive Slider by MetaSlider: from n/a through 3.106.0.
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-2026-23853 — CVSS 8.4 (April 17, 2026) — HIGH / CVSS 8.4
- [HIGH] CVE-2026-33392 — CVSS 7.2 (April 17, 2026) — HIGH / CVSS 7.2
- [HIGH] CVE-2025-14868 — CVSS 8.8 (April 16, 2026) — HIGH / CVSS 8.8

![[HIGH] CVE-2020-37227 — CVSS 8.8 (May 16, 2026)](https://atlas-cybersecurity.com/wp-content/plugins/elementor/assets/images/placeholder.png)



