@ckeditor/ckeditor5-html-support@31.1.0 vulnerabilities

HTML Support feature for CKEditor 5.

Direct Vulnerabilities

Known vulnerabilities in the @ckeditor/ckeditor5-html-support package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Cross-site Scripting (XSS)

@ckeditor/ckeditor5-html-support is a HTML Support feature for CKEditor 5.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS). Exploiting this vulnerability is possible by destroying the editor and then initializing the editor on an element and using an element other than <textarea> as a base.

Note: In case of ckeditor5-html-support and ckeditor5-html-embed it is required to use a configuration that allows unsafe markup inside the editor.

How to fix Cross-site Scripting (XSS)?

Upgrade @ckeditor/ckeditor5-html-support to version 35.0.1 or higher.

<35.0.1