CVE-2025-43865
April 25, 2025
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.
Affected Packages
https://github.com/remix-run/react-router.git (GITHUB):
Affected version(s) >=react-router@7.0.0 <react-router@7.5.2Fix Suggestion:
Update to version react-router@7.5.2react-router (NPM):
Affected version(s) >=7.0.0 <7.5.2Fix Suggestion:
Update to version 7.5.2react-router (NPM):
Affected version(s) Fix Suggestion:
Update to version 7.5.2Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Insufficient Verification of Data Authenticity
EPSS
Base Score:
0.12
