GHSA-8646-j5j9-6r62

Source

https://github.com/advisories/GHSA-8646-j5j9-6r62

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-8646-j5j9-6r62/GHSA-8646-j5j9-6r62.json

JSON Data

https://api.test.osv.dev/v1/vulns/GHSA-8646-j5j9-6r62

Aliases

CVE-2026-33245

Published

2026-06-03T20:33:32Z

Modified

2026-06-03T20:45:06.643865259Z

Severity

8.0 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N CVSS Calculator

Summary

React Router vulnerable to XSS in unstable RSC redirect handling via javascript: redirect targets

Details

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.

Database specific

{
    "cwe_ids": [
        "CWE-79"
    ],
    "nvd_published_at": "2026-06-02T20:16:34Z",
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-03T20:33:32Z"
}

References

Affected packages

npm / react-router

Package

Name: react-router; View open source insights on deps.dev
Purl: pkg:npm/react-router

Affected ranges

Type: SEMVER
Events: Introduced

7.7.0

Fixed

7.13.2

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-8646-j5j9-6r62/GHSA-8646-j5j9-6r62.json"