Vulnerability · Published Jun 15, 2026 · Assigned by Patchstack
CVE-2026-39478WordPress Anti-Malware Security and Brute-Force Firewall plugin <= 4.23.87 - PHP Object Injection vulnerability
High 8.8
In plain English
A high-severity unsafe deserialization in Anti-Malware Security and Brute-Force Firewall from Eli Scheetz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 62.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Contributor PHP Object Injection in Anti-Malware Security and Brute-Force Firewall <= 4.23.87 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Eli Scheetz | Anti-Malware Security and Brute-Force Firewall | n/a – through 4.23.87 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H