Description
CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, a regular expression denial of service (ReDoS) vulnerability has been discovered in multiple CKEditor 5 packages. The vulnerability allowed to abuse particular regular expressions, which could cause a significant performance drop resulting in a browser tab freeze. It affects all users using the CKEditor 5 packages listed above at version <= 26.0.0. The problem has been recognized and patched. The fix will be available in version 27.0.0.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
ckeditor ckeditor5
< 27.0.0affected
References
- https://www.npmjs.com/package/%40ckeditor/ckeditor5-markdown-gfm ↗
- https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-3rh3-wfr4-76mj ↗
- https://www.npmjs.com/package/%40ckeditor/ckeditor5-engine ↗
- https://www.npmjs.com/package/%40ckeditor/ckeditor5-font ↗
- https://www.npmjs.com/package/%40ckeditor/ckeditor5-image ↗
- https://www.npmjs.com/package/%40ckeditor/ckeditor5-list ↗
- https://www.npmjs.com/package/%40ckeditor/ckeditor5-media-embed ↗
- https://www.npmjs.com/package/%40ckeditor/ckeditor5-paste-from-office ↗
- https://www.npmjs.com/package/%40ckeditor/ckeditor5-widget ↗