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Vulnerabilities CVE-2025-59057

CVE-2025-59057

High
Open
TLP:CLEAR

React Router has XSS Vulnerability

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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.

Details

CVSS Score
7.6
EPSS Score
0.46%

37.6th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Confidence
90%
Published
Jan 10, 2026
Last Modified
Jul 15, 2026
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