Cross-site Scripting in CKEditor4
Moderate severity
GitHub Reviewed
Published
Mar 16, 2022
in
ckeditor/ckeditor4
•
Updated Jan 27, 2023
Description
Published by the National Vulnerability Database
Mar 16, 2022
Published to the GitHub Advisory Database
Mar 16, 2022
Reviewed
Mar 16, 2022
Last updated
Jan 27, 2023
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