CVE-2021-32808
MEDIUMCVSS 5.4/10EPSS 1.19%
Last modified
CVE-2021-32808 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 1.19% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ckeditor | Ckeditor | >= 4.13.0, < 4.16.2 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Oracle | Application Express | < 21.1.4 |
| Oracle | Banking Party Management | 2.7.0 |
| Oracle | Commerce Guided Search | 11.3.2 |
| Oracle | Commerce Merchandising | 11.3.2 |
| Oracle | Documaker | 12.6.3 |
| Oracle | Documaker | 12.6.4 |
| Oracle | Financial Services Analytical Applications Infrastructure | >= 8.0.7, <= 8.1.1 |
| Oracle | Financial Services Model Management And Governance | 8.0.8.0.0 |
| Oracle | Financial Services Model Management And Governance | 8.1.0.0.0 |
| Oracle | Jd Edwards Enterpriseone Tools | <= 9.2.6.0 |
| Oracle | Peoplesoft Enterprise Peopletools | 8.57 |
| Oracle | Peoplesoft Enterprise Peopletools | 8.58 |
| Oracle | Peoplesoft Enterprise Peopletools | 8.59 |
| Oracle | Siebel Ui Framework | <= 21.9 |
| Oracle | Webcenter Sites | 12.2.1.3.0 |
| Oracle | Webcenter Sites | 12.2.1.4.0 |
References
- https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2Release Notes, Third Party Advisory
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6cThird Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
- https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2Release Notes, Third Party Advisory
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6cThird Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-32808?
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.
How severe is CVE-2021-32808?
CVE-2021-32808 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32808?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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