Cross-site scripting (XSS) in the clipboard package - ckeditor5

Description

During a recent internal audit, we identified a Cross-Site Scripting (XSS) vulnerability in the CKEditor 5 clipboard package.

Recommendation

Update the ckeditor5 package to the latest compatible version. Followings are version details:

• Affected version(s): >= 40.0.0, < 43.1.1
• Patched version(s): 43.1.1

References

• GHSA-rgg8-g5x8-wr9v
• CVE-2024-45613
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Cross-site scripting (XSS) in the clipboard package - CVE-2024-45613
• CKEditor 5 cross-site scripting (XSS) vulnerability in the clipboard package - ckeditor5 - CVE-2025-58064
• CKEditor 5 cross-site scripting (XSS) vulnerability in the clipboard package - CVE-2025-58064
• CKEditor 5 has Cross-site Scripting (XSS) in the HTML Support package - CVE-2026-28343

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Tags:

npm

ckeditor5