CVE-2026-53668 React Router: Open redirect can lead to XSS

Medium 6.9 Published 27 Jul 2026 Updated 28 Jul 2026

Attackers can exploit open redirects in React Router to trigger XSS, requiring applications to allow such redirects.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2026-53668?

CVE-2026-53668 is a medium-severity vulnerability in remix-run react-router, published on 27 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

React Router is a router for React. In versions 6.30.2 through 6.30.4 and 7.9.6 through 7.12.0, applications that allow open redirects are vulnerable to XSS. An attacker could craft a malicious link that redirects users to an unexpected external site or that exploits an XSS vector.This issue has been fixed in version 7.13.0.

Weakness: CWE-79, CWE-601

Which versions are affected by CVE-2026-53668?

4 open source packages ship an affected version, including react-router and react-router-dom. It affects 1 product.

Package	Affected	Fixed in
`react-router` npm	From `7.9.6`	`7.13.0`
`react-router` npm	From `7.9.6`	`7.13.0`
`react-router-dom` npm	From `6.30.2`	`6.30.6`
`react-router-dom` npm	From `6.30.2`	`6.30.6`

Products include Shopify React-Router.

How do I fix CVE-2026-53668?

Upgrade react-router to 7.13.0 or later.

Is CVE-2026-53668 being exploited?

There is no known exploitation of CVE-2026-53668 in the wild and no public exploit code.

Sources

Also known as GHSA-jjmj-jmhj-qwj2, MINI-9qj2-vf4w-748c, MINI-jqvq-p9qw-hc7h.