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).
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| ckeditor4(npm) | 0 | 4.16.0 | N/A |
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