GHSA-m94c-37g6-cjhc Fake objects feature vulnerability allowing to execute JavaScript code using malformed HTML.

• npm ckeditor4: < 4.16.2 → fixed in 4.16.2

Affected packages The vulnerability has been discovered in Fake Objects plugin. All plugins with Fake Objects plugin dependency are affected: • Fake Objects • Link • Flash • Iframe • Forms • Page Break Impact A potential vulnerability has been discovered in CKEditor 4 Fake Objects package. The vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version < 4.16.2. Patches The problem has been recognized and patched. The fix will be available in version 4.16.2. For more information Email us at [email protected] if you have any questions or comments about this advisory. Acknowledgements The CKEditor 4 team would like to thank Mika Kulmala (kulmik) for recognizing and reporting this vulnerability.