AIKIDO-2025-10108
@ckeditor/ckeditor5-real-time-collaboration is vulnerable to Cross-site Scripting
75
High Risk
This Affects:
@ckeditor/ckeditor5-real-time-collaborationTL;DR
A Cross-Site Scripting (XSS) vulnerability has been disclosed in the @ckeditor/ckeditor5-real-time-collaboration package. This vulnerability allows unauthorized execution of JavaScript by manipulating user markers, which track users' positions within a document. It affects environments where Real-Time Collaborative Editing is enabled. If exploited, this issue could lead to malicious script execution within users' sessions.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
@ckeditor/ckeditor5-real-time-collaboration is vulnerable to Cross-site Scripting in versions 41.3.0 - 44.2.0.
How to fix this
Upgrade the @ckeditor/ckeditor5-real-time-collaboration library to the patch version.
Links
GitHub Release
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