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CVE-2026-33244

nvd nist
Published: Jun 2, 2026Modified: Jul 21, 2026

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5.4
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Exploitability: 2.3 / Impact: 2.7
Source: security-advisories@github.com (Secondary)

Description

React Router is a router for React. In versions 7.5.1 through 7.13.1, when using Framework Mode with pre-rendering enabled, improper neutralization of the HTTP `Location` header value can permit Cross-Site Scripting (XSS) in the statically generated HTML files if the redirect location comes from an untrusted source. This does not impact applications using Declarative Mode (`<BrowserRouter>`) or Data Mode (`createBrowserRouter/<RouterProvider>`). This is patched in version 7.13.2.

Affected (1)

Shopify
1 product
React Router
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
React Router
From 7.5.1 to 7.13.2

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (1)

Source: security-advisories@github.com
Vendor Advisory

Timeline

No history available yet.