CVSS 3.1
5.4 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NCVE-2021-32808
Medium (5.4). EPSS 1.2% chance of exploitation in the next 30 days. Fixed in ckeditor4 4.16.2.
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.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- ckeditor:ckeditor
- fedoraproject:fedora
- oracle:application_express
- oracle:banking_party_management
- oracle:commerce_guided_search
- oracle:commerce_merchandising
- oracle:documaker
- oracle:financial_services_analytical_applications_infrastructure
- oracle:financial_services_model_management_and_governance
- oracle:jd_edwards_enterpriseone_tools
- oracle:peoplesoft_enterprise_peopletools
- oracle:siebel_ui_framework
- oracle:webcenter_sites
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-6226-h7ff-ch6c | npm | ckeditor4 | >=4.13.0 <4.16.2 | 4.16.2 |
References
- https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/