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CVE-2025-59057— React Router has XSS Vulnerability

CVSS 7.6 · High EPSS 0.02% · P5
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I. Basic Information for CVE-2025-59057

Vulnerability Information
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Vulnerability Title
React Router has XSS Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
React Router is a router for React. In @remix-run/react versions 1.15.0 through 2.17.0. and react-router versions 7.0.0 through 7.8.2, a XSS vulnerability exists in in React Router's meta()/<Meta> APIs in Framework Mode when generating script:ld+json tags which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the tag. There is no impact if the application is being used in Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>). This issue has been patched in @remix-run/react version 2.17.1 and react-router version 7.9.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/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
react-router 跨站脚本漏洞
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 7.0.0版本至7.8.2版本存在跨站脚本漏洞，该漏洞源于在框架模式下生成script:ld+json标签时存在跨站脚本漏洞，可能导致服务器端渲染期间执行任意JavaScript。
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

VendorProductAffected VersionsCPESubscribe
remix-runreact-router @remix-run/react >= 1.15.0, < 2.17.1 -

II. Public POCs for CVE-2025-59057

#POC DescriptionSource LinkShenlong Link
1A XSS vulnerability exists in in React Router's meta()/<Meta> APIs in Framework Mode when generating script:ld+json tags which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the tag.https://github.com/boroeurnprach/CVE-2025-59057-PoCPOC Details
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III. Intelligence Information for CVE-2025-59057

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Same Patch Batch · remix-run · 2026-01-10 · 6 CVEs total

CVE-2025-616869.1 CRITICALReact Router has Path Traversal in File Session Storage
CVE-2026-218848.2 HIGHReact Router SSR XSS in ScrollRestoration
CVE-2026-220298.0 HIGHReact Router vulnerable to XSS via Open Redirects
CVE-2026-220306.5 MEDIUMReact Router has CSRF issue in Action/Server Action Request Processing
CVE-2025-684706.5 MEDIUMReact Router has unexpected external redirect via untrusted paths

IV. Related Vulnerabilities

Same product: react-router
Same vendor: remix-run
Same weakness: CWE-79

V. Comments for CVE-2025-59057

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