CVE-2026-39478
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk37th percentile - higher than 37% of all known CVEs
Summary
Versions of Anti-Malware Security and Brute-Force Firewall up to 4.23.87 are vulnerable to PHP Object Injection by attackers.
Risk Assessment
Attackers can exploit this vulnerability to gain control over the application, potentially leading to serious security breaches.
Recommendation
It is recommended to update to the latest version of the plugin to mitigate this vulnerability.
Other vulnerabilities in Anti-Malware Security and Brute-Force Firewall
See all- CVE-2026-57691Medium
The Anti-Malware Security and Brute-Force Firewall (gotmls) plugin contains a reflected XSS vulnerability due to improper input neutralization during page generation. The issue affects versions up to and including 4.23.89.
- CVE-2025-11705Medium
The Anti-Malware Security and Brute-Force Firewall plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and including 4.23.81 due to a missing capability check combined with information exposure in several GOTMLS_* AJAX actions. An authenticated attacker with Subscriber-level access and above can read arbitrary files on the server.
Original NVD description (English source)
Contributor PHP Object Injection in Anti-Malware Security and Brute-Force Firewall <= 4.23.87 versions.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS