CVE-2026-1454— Responsive Contact Form Builder & Lead Generation Plugin <= 2.0.1 - Unauthenticated Stored Cross-Site Scripting
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2026-1454
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