Description
It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space (in the Autolink plugin).
Recommendation
Update the ckeditor4 package to the latest compatible version. Followings are version details:
- Affected version(s): < 4.16.0
- Patched version(s): 4.16.0
References
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Start a free scanRelated Issues
- Clipboard feature vulnerability allowing to inject arbitrary HTML into the editor using paste functionality - CVE-2021-32809
- Widget feature vulnerability allowing to execute JavaScript code using undo functionality - CVE-2021-32808
- CKEditor cross-site scripting vulnerability in AJAX sample - CVE-2023-4771
- Regular expression Denial of Service in multiple packages - @ckeditor/ckeditor5-paste-from-office - CVE-2021-21391
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See something that needs correcting? Let us knowUpdated February 01, 2023