CVE-2021-41165 Information
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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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Reference
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417 https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2 https://www.drupal.org/sa-core-2021-011 https://www.oracle.com/security-alerts/cpujan2022.html https://www.oracle.com/security-alerts/cpuapr2022.html
Attack Complexity
LOW
Privileges Required
LOW
User Interaction Required
LOW
Scope
REQUIRED
Confidentiality Impact
CHANGED
Integrity Impact
LOW
Availability Impact
LOW
Base Score
NONE
Base Severity
5.4