Medium

Potential Cross-site Scripting vulnerability in Hydrogen

  • Disclosed: 19.05.2022
  • Updated: 11.10.2026 10:22

Impact

There is a potential Cross-Site Scripting (XSS) vulnerability where an arbitrary user is able to execute scripts on pages that are built with Hydrogen. This affects all versions of Hydrogen starting from version 0.10.0 to 0.18.0. This vulnerability is exploitable in applications whose hydrating data is user controlled.

Patches

All Hydrogen users should upgrade their project to v0.19.0.

Workarounds

There is no current workaround, and users should update as soon as possible.

Additionally, the Content Security Policy is not an effective mitigation for this vulnerability.

References

GitHub: Hydrogen v0.19.0 Fix PR: https://github.com/Shopify/hydrogen/pull/1272

For more information

If you have any questions or comments about this advisory:

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package @shopify/hydrogen >= 0.10.0, < 0.19.0 0.19.0

References

CVSS score 6.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-79
Platform
npm
Package
@shopify/hydrogen
Disclosed
19.05.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-6j22-wv8g-894f - CC BY 4.0

Vulnerability history: @shopify/hydrogen

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Free to subscribe. Unsubscribe with one click in any email.