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CVE-2026-65438— WordPress Message Filter for Contact Form 7 plugin <= 1.6.3.9 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
Kofi Mokome Message Filter for Contact Form 7
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 Message Filter for Contact Form 7是WordPress基金会的一款过滤联系表单消息的插件。 WordPress Message Filter for Contact Form 7 1.6.3.9及之前版本存在跨站脚本漏洞，该漏洞源于未经验证的跨站脚本（XSS）攻击。

CVSS 7.1 · High EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
Kofi Mokome Message Filter for Contact Form 7 n/a≤ 1.6.3.9 affected
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I. Basic Information for CVE-2026-65438

Vulnerability Information
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Vulnerability Title
WordPress Message Filter for Contact Form 7 plugin <= 1.6.3.9 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in Message Filter for Contact Form 7 <= 1.6.3.9 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/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 Message Filter for Contact Form 7 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Message Filter for Contact Form 7是WordPress基金会的一款过滤联系表单消息的插件。 WordPress Message Filter for Contact Form 7 1.6.3.9及之前版本存在跨站脚本漏洞，该漏洞源于未经验证的跨站脚本（XSS）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
Kofi Mokome Message Filter for Contact Form 7 n/a ~ 1.6.3.9 -

II. Public POCs for CVE-2026-65438

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III. Intelligence Information for CVE-2026-65438

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Vendor Advisories for CVE-2026-65438 (1)

IV. Related Vulnerabilities

Same product: Message Filter for Contact Form 7
Same vendor: Kofi Mokome
Same weakness: CWE-79

V. Comments for CVE-2026-65438

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