CVE-2026-39478 PUBLISHED

WordPress Anti-Malware Security and Brute-Force Firewall plugin <= 4.23.87 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 07.04.2026 Published: 15.06.2026 Updated: 16.06.2026

Contributor PHP Object Injection in Anti-Malware Security and Brute-Force Firewall <= 4.23.87 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Product Status

Vendor Eli Scheetz
Product Anti-Malware Security and Brute-Force Firewall
Versions Default: unaffected
  • affected from n/a to 4.23.87 (incl.)

Solutions

Update the WordPress Anti-Malware Security and Brute-Force Firewall Plugin to the latest available version (at least 4.23.88).

Credits

  • daroo | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-502 Deserialization of Untrusted Data CWE

Impacts

  • CAPEC-586 Object Injection