GHSA-8646-j5j9-6r62
React Router vulnerable to XSS in unstable RSC redirect handling via javascript: redirect targets
At a glance
- Published
- Updated
- CVE
- CVE-2026-33245
- CVSS_V3
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Description
When using React Router v7's unstable RSC APIs, there exists a potential client-side XSS issue in the RSC redirect handling if redirects are coming from untrusted sources > [!NOTE] > This only impacts your application if you are using the unstable RSC APIs in React Router.
Affected packages
| Package | Versions |
|---|---|
| npm · react-router | introduced 7.7.0, fixed 7.13.2 |
References
- https://github.com/remix-run/react-router/security/advisories/GHSA-8646-j5j9-6r62 WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-33245 ADVISORY
- https://github.com/remix-run/react-router PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |