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CVE-2026-48871— WordPress MW WP Form plugin <= 5.1.3 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
Takashi Kitajima MW WP Form
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.

MW WP Form是日本Webの相談所公司的一个WordPress表单插件。 Webの相談所 MW WP Form 5.1.3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，可能导致未经身份验证的攻击者进行跨站脚本攻击。

CVSS 7.1 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
Takashi Kitajima MW WP Form n/a≤ 5.1.3 affected
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I. Basic Information for CVE-2026-48871

Vulnerability Information
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Vulnerability Title
WordPress MW WP Form plugin <= 5.1.3 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in MW WP Form <= 5.1.3 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
Webの相談所 MW WP Form 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MW WP Form是日本Webの相談所公司的一个WordPress表单插件。 Webの相談所 MW WP Form 5.1.3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，可能导致未经身份验证的攻击者进行跨站脚本攻击。
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
Takashi Kitajima MW WP Form n/a ~ 5.1.3 -

II. Public POCs for CVE-2026-48871

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III. Intelligence Information for CVE-2026-48871

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Vendor Advisories for CVE-2026-48871 (1)

IV. Related Vulnerabilities

Same product: MW WP Form
Same vendor: Takashi Kitajima
Same weakness: CWE-79

V. Comments for CVE-2026-48871

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