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CVE-2026-57691— WordPress Anti-Malware Security and Brute-Force Firewall plugin <= 4.23.89 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
Eli 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.

WordPress Anti-Malware Security and Brute-Force Firewall是WordPress基金会的一款反恶意软件与暴力破解防火墙插件。 WordPress Anti-Malware Security and Brute-Force Firewall 4.23.89及之前版本存在跨站脚本漏洞，该漏洞源于Web页面生成时输入中和不当，可能导致反射型跨站脚本攻击。

CVSS 5.8 · Medium EPSS 0.20% · P9

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eli Anti-Malware Security and Brute-Force Firewall ≤ 4.23.89 affected
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I. Basic Information for CVE-2026-57691

Vulnerability Information
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Vulnerability Title
WordPress Anti-Malware Security and Brute-Force Firewall plugin <= 4.23.89 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Eli Anti-Malware Security and Brute-Force Firewall gotmls allows Reflected XSS.This issue affects Anti-Malware Security and Brute-Force Firewall: from n/a through <= 4.23.89.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Anti-Malware Security and Brute-Force Firewall 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Anti-Malware Security and Brute-Force Firewall是WordPress基金会的一款反恶意软件与暴力破解防火墙插件。 WordPress Anti-Malware Security and Brute-Force Firewall 4.23.89及之前版本存在跨站脚本漏洞，该漏洞源于Web页面生成时输入中和不当，可能导致反射型跨站脚本攻击。
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 Anti-Malware Security and Brute-Force Firewall 0 ~ 4.23.89 -

II. Public POCs for CVE-2026-57691

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III. Intelligence Information for CVE-2026-57691

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IV. Related Vulnerabilities

Same product: Anti-Malware Security and Brute-Force Firewall
Same vendor: Eli
Same weakness: CWE-79

V. Comments for CVE-2026-57691

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