The vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4.
A potential vulnerability has been discovered in CKEditor 4 HTML processing core module. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0.
The problem has been recognized and patched. The fix will be available in version 4.17.0.
Email us at security@cksource.com if you have any questions or comments about this advisory.
The CKEditor 4 team would like to thank William Bowling (wbowling) for recognizing and reporting this vulnerability.
{ "nvd_published_at": "2021-11-17T20:15:00Z", "cwe_ids": [ "CWE-79" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2021-11-17T19:57:11Z" }