CVSS 3.1
5.4 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NCVE-2021-32809
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 potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. 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)
- CWEs
- CWE-79, CWE-94
- 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:jd_edwards_enterpriseone_tools
- oracle:peoplesoft_enterprise_peopletools
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-7889-rm5j-hpgg | npm | ckeditor4 | >=4.5.2 <4.16.2 | 4.16.2 |
References
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg
- 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/
- https://www.oracle.com/security-alerts/cpujan2022.html