The issue impacts only editor instances with enabled version notifications.
Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us.
A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. Although the vulnerability is purely hypothetical, we have addressed it in CKEditor 4.25.0-lts to ensure compliance with security best practices.
The issue has been recognized and patched. The fix is available in version 4.25.0-lts.
If you have any questions or comments about this advisory, please email us at security@cksource.com.
{ "nvd_published_at": "2024-08-21T16:15:08Z", "cwe_ids": [ "CWE-79" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2024-08-21T18:31:00Z" }