CVE-2021-32808
7.6 · HIGHOverview
CVE-2021-32808 is a high-severity vulnerability affecting ckeditor ckeditor. It was published on August 12, 2021 and has a CVSS 3.1 base score of 7.6 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from ckeditor. Update ckeditor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ckeditor | ckeditor | >= 4.13.0, < 4.16.2 | Affected |
| oracle | application_express | >= 0, < 21.1.4 | Affected |
| oracle | financial_services_analytical_applications_infrastructure | 8.0.7 | Affected |
| oracle | jd_edwards_enterpriseone_tools | 0 | Affected |
| oracle | siebel_ui_framework | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-32808?
CVE-2021-32808 is a high-severity vulnerability affecting ckeditor ckeditor. It was published on August 12, 2021 and has a CVSS 3.1 base score of 7.6 (HIGH).
How severe is CVE-2021-32808?
This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-32808?
Check the references section for vendor advisories and patches from ckeditor. Update ckeditor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-32808?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-32808 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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