HighGHSA-3cgp-3xvw-98x8CVE-2025-59057
React Router has XSS Vulnerability
Published 8 Jan 2026 · Updated 8 Sept 2026
Affected packages
react-routernpm
- Affected
- >=7.0.0 <7.9.0
- Fixed in
- 7.9.0
Update to the fixed version for your release line, for example:
npm install react-router@7.9.0- Affected
- >=1.15.0 <2.17.1
- Fixed in
- 2.17.1
Update to the fixed version for your release line, for example:
npm install @remix-run/react@2.17.1Details
A XSS vulnerability exists in in React Router's meta()/<Meta> APIs in Framework Mode when generating script:ld+json tags which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the tag.
> [!NOTE]
> This does not impact applications using Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>).
Is GHSA-3cgp-3xvw-98x8 in any of your client repos?
Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected react-router, and gives you the command that fixes it.
References
- Linkgithub.com/remix-run/react-router/security/advisories/GHSA-3cgp-3xvw-98x8
- Advisorynvd.nist.gov/vuln/detail/CVE-2025-59057
- Linkgithub.com/remix-run/react-router/pull/14316
- Linkgithub.com/remix-run/react-router/commit/0e774855797fcb3c7538c269158f4541beb55a1b
- Linkaccess.redhat.com/errata/RHSA-2026:19712
- Linkaccess.redhat.com/errata/RHSA-2026:3782
- Linkaccess.redhat.com/errata/RHSA-2026:3958
- Linkaccess.redhat.com/errata/RHSA-2026:3960
- Linkaccess.redhat.com/security/cve/CVE-2025-59057
- Linkbugzilla.redhat.com/show_bug.cgi?id=2428426
- Packagegithub.com/remix-run/react-router
- Linkgithub.com/remix-run/react-router/blob/main/CHANGELOG.md#v790
- Linkgithub.com/remix-run/react-router/releases/tag/react-router@7.9.0
- Linksecurity.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-59057.json
Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.