CVE-2025-43865
High
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.
SeverityHigh
CVSS8.2
Exploit probability—
ProductReact-router
PublishedApr 25, 2025
First seenApr 25, 2025
Weakness typeCWE-345CWE-345
How to fix
Update
- react-router7.5.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| react-routernpm | 7.0.0-pre.0 ≤ v < 7.5.2 | 7.5.2 |
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