GHSA-4882-hxpr-hrvmHighCVSS 8.1

@udecode/plate-link does not sanitize URLs to prevent use of the `javascript:` scheme

Published
June 9, 2023
Last Modified
November 10, 2023

🔗 CVE IDs covered (1)

📋 Description

Impact

Affected versions of the link plugin and link UI component do not sanitize URLs to prevent use of the javascript: scheme. As a result, links with JavaScript URLs can be inserted into the Plate editor through various means, including opening or pasting malicious content.

Patches

@udecode/plate-link 20.0.0 resolves this issue by introducing an allowedSchemes option to the link plugin, defaulting to ['http', 'https', 'mailto', 'tel']. URLs using a scheme that isn't in this list will not be rendered to the DOM.

Workarounds

If you are unable to update @udecode/plate-link to version 20.0.0, we recommend overriding the LinkElement and PlateFloatingLink components with implementations that explicitly check the URL scheme before rendering any anchor elements.

🎯 Affected products1

  • npm/@udecode/plate-link:< 20.0.0

🔗 References (5)