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CVE-2026-1454— Responsive Contact Form Builder & Lead Generation Plugin <= 2.0.1 - Unauthenticated Stored Cross-Site Scripting

Quick assessment

Affected
themehunk Lead Form Builder & Contact 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.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Responsive Contact Form Builder & Lead Generation Plugin 2.0.1及之前版本存在跨站脚本漏洞，该漏洞源于输入清理不足和输出过滤过于宽松，可能导致未经身份验证的

CVSS 7.2 · High EPSS 0.24% · P14
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I. Basic Information for CVE-2026-1454

Vulnerability Information
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Vulnerability Title
Responsive Contact Form Builder & Lead Generation Plugin <= 2.0.1 - Unauthenticated Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.0.1 via form field submissions. This is due to insufficient input sanitization in the lfb_lead_sanitize() function which omits certain field types from its sanitization whitelist, combined with an overly permissive wp_kses() filter at output time that allows onclick attributes on anchor tags. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever an administrator views the lead entries in the WordPress dashboard.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
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 plugin Responsive Contact Form Builder & Lead Generation Plugin 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Responsive Contact Form Builder & Lead Generation Plugin 2.0.1及之前版本存在跨站脚本漏洞，该漏洞源于输入清理不足和输出过滤过于宽松，可能导致未经身份验证的
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
themehunk Lead Form Builder & Contact Form * ~ 2.0.1 -

II. Public POCs for CVE-2026-1454

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III. Intelligence Information for CVE-2026-1454

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Patches & Fixes for CVE-2026-1454 (3)

IV. Related Vulnerabilities

Same product: Lead Form Builder & Contact Form
Same vendor: themehunk
Same weakness: CWE-79

V. Comments for CVE-2026-1454

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