CKEditor5 cross-site scripting vulnerability caused by the editor instance destroying process - @ckeditor/ckeditor5-html-support

Description

@ckeditor/ckeditor5-markdown-gfm @ckeditor/ckeditor5-html-support @ckeditor/ckeditor5-html-embed

Recommendation

Update the @ckeditor/ckeditor5-html-support package to the latest compatible version. Followings are version details:

• Affected version(s): < 35.0.1
• Patched version(s): 35.0.1

References

• GHSA-42wq-rch8-6f6j
• ckeditor.com
• CVE-2022-31175
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• CKEditor5 cross-site scripting vulnerability caused by the editor instance destroying process - @ckeditor/ckeditor5-markdown-gfm - CVE-2022-31175
• CKEditor5 cross-site scripting vulnerability caused by the editor instance destroying process - CVE-2022-31175
• CKEditor 5 has Cross-site Scripting (XSS) in the HTML Support package - @ckeditor/ckeditor5-html-support - CVE-2026-28343
• CKEditor 5 has Cross-site Scripting (XSS) in the HTML Support package - CVE-2026-28343

You might also like:

How do hackers hack websites?

CSRF, XXE, and 12 Other Security Acronyms Explained

Exploiting Server Version Disclosure

Tags:

npm

@ckeditor/ckeditor5-html-support