Description
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
ckeditor ckeditor4
< 4.18.0affected
References
- https://ckeditor.com/cke4/release/CKEditor-4.18.0 ↗
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh ↗
- https://www.oracle.com/security-alerts/cpujul2022.html ↗
- https://www.drupal.org/sa-core-2022-005 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/ ↗