CVE-2025-43865 — React Router allows pre-render data spoofing on React-Router framework mode
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 allow…
Published: 2025-04-25 · CVSS: 8.2 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7