CVE-2025-43865

HIGH EPSS 49.9%
Published Apr 25, 20251y ago · Modified Jun 17, 20262w ago
8.2 CVSS 3.1
High
Find Similar
Published Apr 25, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.2
Exploitability
3.9
Impact
4.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability High

Threat Intelligence

EPSS Exploit Probability
49.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-345

References 3

  • github.com https://github.com/remix-run/react-router/blob/e6c53a0130559b4a9bd47f9cf76ea5b08a69868a/packages/react-router/lib/server-runtime/routes.ts#L87
  • github.com https://github.com/remix-run/react-router/commit/c84302972a152d851cf5dd859ff332b354b70111
  • github.com https://github.com/remix-run/react-router/security/advisories/GHSA-cpj6-fhp6-mr6j

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.