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CVE-2026-39478— WordPress Anti-Malware Security and Brute-Force Firewall plugin <= 4.23.87 - PHP Object Injection vulnerability

Quick assessment

Affected
Eli Scheetz Anti-Malware Security and Brute-Force Firewall
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Anti-Malware Security and Brute-Force Firewall是Eli个人开发者的一个WordPress网站安全防护插件。 Eli Anti-Malware Security and Brute-Force Firewall 4.23.87及之前版本存在反序列化漏洞，该漏洞源于PHP对象注入问题，可能导致贡献者权限用户远程执行代码。

CVSS 8.8 · High EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eli Scheetz Anti-Malware Security and Brute-Force Firewall n/a≤ 4.23.87 affected
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I. Basic Information for CVE-2026-39478

Vulnerability Information
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Vulnerability Title
WordPress Anti-Malware Security and Brute-Force Firewall plugin <= 4.23.87 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Contributor PHP Object Injection in Anti-Malware Security and Brute-Force Firewall <= 4.23.87 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Eli Anti-Malware Security and Brute-Force Firewall 反序列化漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Anti-Malware Security and Brute-Force Firewall是Eli个人开发者的一个WordPress网站安全防护插件。 Eli Anti-Malware Security and Brute-Force Firewall 4.23.87及之前版本存在反序列化漏洞，该漏洞源于PHP对象注入问题，可能导致贡献者权限用户远程执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eli Scheetz Anti-Malware Security and Brute-Force Firewall n/a ~ 4.23.87 -

II. Public POCs for CVE-2026-39478

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III. Intelligence Information for CVE-2026-39478

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News Coverage for CVE-2026-39478 (1)

IV. Related Vulnerabilities

Same product: Anti-Malware Security and Brute-Force Firewall
Same vendor: Eli Scheetz
Same weakness: CWE-502

V. Comments for CVE-2026-39478

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