Affected packages
The vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4.
Impact
A potential vulnerability has been discovered in CKEditor 4 HTML processing core module. The vulnerability allowed to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.18.0.
Patches
The problem has been recognized and patched. The fix will be available in version 4.18.0.
For more information
Email us at security@cksource.com if you have any questions or comments about this advisory.
Acknowledgements
The CKEditor 4 team would like to thank GHSL team member Kevin Backhouse (@kevinbackhouse) for recognizing and reporting this vulnerability.
References
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-4fc4-4p5g-6w89
- https://github.com/ckeditor/ckeditor4/commit/d158413449692d920a778503502dcb22881bc949
- https://ckeditor.com/cke4/release/CKEditor-4.18.0
- https://www.drupal.org/sa-core-2022-005
- https://nvd.nist.gov/vuln/detail/CVE-2022-24728
- https://github.com/advisories/GHSA-4fc4-4p5g-6w89