ckeditor5 vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-28343Medium@ckeditor/ckeditor5-html-support: CKEditor 5 has Cross-site Scripting (XSS) in the HTML Support packageCVE-2025-58064Lowckeditor5: CKEditor 5 cross-site scripting (XSS) vulnerability in the clipboard packageCVE-2024-45613Mediumckeditor5: Cross-site scripting (XSS) in the clipboard package

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