Description
CKEditor4 is an open source WYSIWYG HTML editor. In affected version a vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. 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.
References (6)
Core 6
Core References
Third Party Advisory x_refsource_misc
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
Third Party Advisory x_refsource_confirm
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2022.html
Third Party Advisory x_refsource_confirm
https://www.drupal.org/sa-core-2021-011
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2022.html
Not Applicable x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2022.html
Scores
CVSS v3
8.2
EPSS
0.0012
EPSS Percentile
30.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L
Details
CWE
CWE-79
Status
published
Products (21)
ckeditor/ckeditor
< 4.17.0
ckeditor/ckeditor
0 - 4.17.0Packagist
drupal/drupal
8.9.0 - 8.9.20
npm/ckeditor4
0 - 4.17.0npm
oracle/agile_product_lifecycle_management
9.3.6
oracle/application_express
< 22.1
oracle/banking_apis
19.1
oracle/banking_apis
19.2
oracle/banking_apis
20.1
oracle/banking_apis
21.1
... and 11 more
Published
Nov 17, 2021
Tracked Since
Feb 18, 2026