CVE-2025-43865— React Router allows pre-render data spoofing on React-Router framework mode
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I. Basic Information for CVE-2025-43865
Vulnerability Information
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Vulnerability Title
React Router allows pre-render data spoofing on React-Router framework mode
Source: NVD (National Vulnerability Database)
Vulnerability Description
React Router is a router for React. In versions on the 7.0 branch prior to version 7.5.2, it's possible to modify pre-rendered data by adding a header to the request. This allows to completely spoof its contents and modify all the values of the data object passed to the HTML. This issue has been patched in version 7.5.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对数据真实性的验证不充分
Source: NVD (National Vulnerability Database)
Vulnerability Title
react-router 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
react-router是Remix开源的一个 React 的声明式路由。 react-router 7.5.2之前版本存在数据伪造问题漏洞，该漏洞源于通过添加请求标头可能修改预渲染数据。
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 |
|---|---|---|---|---|
| remix-run | react-router | >= 7.0, < 7.5.2 | - |
II. Public POCs for CVE-2025-43865
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/pouriam23/Pre-render-data-spoofing-on-React-Router-framework-mode-CVE-2025-43865 | POC Details |
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IV. Related Vulnerabilities
Same product: react-router
- CVE-2026-22030
React Router has CSRF issue in Action/Server Action Request - CVE-2026-22029
React Router vulnerable to XSS via Open Redirects - CVE-2026-21884
React Router SSR XSS in ScrollRestoration - CVE-2025-61686
React Router has Path Traversal in File Session Storage - CVE-2025-59057
React Router has XSS Vulnerability
Same vendor: remix-run
- CVE-2026-22030
React Router has CSRF issue in Action/Server Action Request - CVE-2026-22029
React Router vulnerable to XSS via Open Redirects - CVE-2026-21884
React Router SSR XSS in ScrollRestoration - CVE-2025-61686
React Router has Path Traversal in File Session Storage - CVE-2025-59057
React Router has XSS Vulnerability
Same weakness: CWE-345
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V. Comments for CVE-2025-43865
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