Description
ckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version >= 4.13.0. The problem has been recognized and patched. The fix will be available in version 4.16.2.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None
Affected products
- ckeditor / ckeditor4>= 4.13.0, < 4.16.2 – >= 4.13.0, < 4.16.2
References
- VENDOR_ADVISORYhttps://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c
- PATCHhttps://github.com/ckeditor/ckeditor4/releases/tag/4.16.2
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
- VENDOR_ADVISORYhttps://www.oracle.com/security-alerts/cpuoct2021.html
- VENDOR_ADVISORYhttps://www.oracle.com/security-alerts/cpujan2022.html
Updated 8m ago · 8 sources