GHSA-x9gp-vjh6-3wv6
CKEditor 5 cross-site scripting (XSS) vulnerability in the clipboard package
Quick fix
GHSA-x9gp-vjh6-3wv6 — ckeditor5: upgrade to the fixed version with the command below.
npm install ckeditor5@46.0.3Details
### Impact A Cross-Site Scripting (XSS) vulnerability has been discovered in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized JavaScript code execution, if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration.
This vulnerability affects **only** installations where the editor configuration meets one of the following criteria: - [HTML embed plugin](https://ckeditor.com/docs/ckeditor5/latest/features/html/html-embed.html) is enabled - Custom plugin introducing editable element which implements view [`RawElement`](https://ckeditor.com/docs/ckeditor5/latest/api/module_engine_view_rawelement-ViewRawElement.html) is enabled
### Patches The problem has been recognized and patched. The fix will be available in version 46.0.3 (and above), and explicitly in version 45.2.2.
### For more information Email us at [security@cksource.com](mailto:security@cksource.com) if you have any questions or comments about this advisory.
Are you affected?
Enter the version of the package you're using.
Affected packages
44.2.0Fixed in: 45.2.2npm install @ckeditor/ckeditor5-clipboard@45.2.246.0.0Fixed in: 46.0.3npm install @ckeditor/ckeditor5-clipboard@46.0.3