CVE-2026-39478 Details
Description
Contributor PHP Object Injection in Anti-Malware Security and Brute-Force Firewall <= 4.23.87 versions.
A PHP object injection vulnerability has been identified in the WordPress Anti-Malware Security and Brute-Force Firewall plugin, affecting versions through 4.23.87. This vulnerability allows for code injection, SQL injection, path traversal, denial of service, and more, if a proper object injection chain is exploited.
Users of the WordPress Anti-Malware Security and Brute-Force Firewall plugin should update to version 4.23.88 or later. Patchstack users can enable auto-update for vulnerable plugins.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 15, 2026CISA-ADP
Assessed Jun 16, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Anti-Malware Security and Brute-Force Firewall | <= 4.23.87 (semver) |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | New CVE Received | [email protected] |