Description
CKEditor4 is an open source WYSIWYG HTML editor. In affected versions a vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4. 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 < 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.
Remediation
References
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/
https://www.drupal.org/sa-core-2021-011
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.oracle.com/security-alerts/cpujul2022.html
Related Vulnerabilities
CVE-2020-5259 Vulnerability in maven package org.webjars.npm:dojox
CVE-2013-4221 Vulnerability in maven package org.restlet:org.restlet
CVE-2020-28269 Vulnerability in npm package field
CVE-2023-32314 Vulnerability in npm package vm2
CVE-2021-21175 Vulnerability in maven package org.webjars.npm:electron