Vulnerability library
Security checkFebruary 20, 2025

Cross-site scripting (XSS) in the CKEditor 5 real-time collaboration package

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Medium severitynpm@ckeditor/ckeditor5-real-time-collaboration

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Description

During a recent internal audit, we identified a Cross-Site Scripting (XSS) vulnerability in the CKEditor 5 real-time collaboration package. This vulnerability can lead to unauthorized JavaScript code execution and affects user markers, which represent users’ positions within the document.

Recommendation

Update the @ckeditor/ckeditor5-real-time-collaboration package to the latest compatible version. Followings are version details:

  • Affected version(s): >= 41.3.0, <= 44.2.0
  • Patched version(s): 44.2.1

References

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See something that needs correcting? Let us knowUpdated February 20, 2025