CVE-2025-59057

Updated on 10 Jan 2026

Severity

7.6 High severity

Details

CVSS score
7.6
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

Overview

About vulnerability

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>).

Details

Affected product:
React , remix
Affected packages:
react-router (+85 more)

Fixes