CVE-2026-2440— SurveyJS: Drag & Drop Form Builder <= 2.5.3 - Unauthenticated Stored Cross-Site Scripting
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I. Basic Information for CVE-2026-2440
Vulnerability Information
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Vulnerability Title
SurveyJS: Drag & Drop Form Builder <= 2.5.3 - Unauthenticated Stored Cross-Site Scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
The SurveyJS plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.5.3 via survey result submissions. This is due to insufficient input sanitization and output escaping. The public survey page exposes the nonce required for submission, allowing unauthenticated attackers to submit HTML-encoded payloads that are decoded and rendered as executable HTML when an administrator views survey results, leading to stored XSS in the admin context.
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 SurveyJS 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 SurveyJS 2.5.3及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致存储型跨站脚本攻击。
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 |
|---|---|---|---|---|
| devsoftbaltic | SurveyJS: Drag & Drop Form Builder | * ~ 2.5.3 | - |
II. Public POCs for CVE-2026-2440
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: SurveyJS: Drag & Drop Form Builder
- CVE-2025-13205
SurveyJS: Drag & Drop WordPress Form Builder to create, styl - CVE-2025-13194
SurveyJS: Drag & Drop WordPress Form Builder to create, styl - CVE-2025-13139
SurveyJS: Drag & Drop WordPress Form Builder <= 2.5.2 - Cros - CVE-2025-13140
SurveyJS: Drag & Drop WordPress Form Builder <= 1.12.20 - Cr - CVE-2025-3815
SurveyJS <= 1.12.32 - Authenticated (Contributor+) Stored Cr
Same vendor: devsoftbaltic
- CVE-2025-13205
SurveyJS: Drag & Drop WordPress Form Builder to create, styl - CVE-2025-13194
SurveyJS: Drag & Drop WordPress Form Builder to create, styl - CVE-2025-13139
SurveyJS: Drag & Drop WordPress Form Builder <= 2.5.2 - Cros - CVE-2025-13140
SurveyJS: Drag & Drop WordPress Form Builder <= 1.12.20 - Cr - CVE-2025-3815
SurveyJS <= 1.12.32 - Authenticated (Contributor+) Stored Cr
Same weakness: CWE-79
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V. Comments for CVE-2026-2440
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