CVE-2025-43865

8.2 HIGH
Published: April 25, 2025 Modified: April 15, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/remix-run/react-router/blob/e6c53a0130559b4a9bd47f9cf76ea5b08a69868a/packages/react-router/lib/server-runtime/routes.ts#L87
Source: security-advisories@github.com
https://github.com/remix-run/react-router/commit/c84302972a152d851cf5dd859ff332b354b70111
Source: security-advisories@github.com
https://github.com/remix-run/react-router/security/advisories/GHSA-cpj6-fhp6-mr6j
Source: security-advisories@github.com

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.2 / 10.0
EPSS (Exploit Probability)
0.3%
53th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-345

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