Staging Environment: Content and features may be unstable or change without notice.

Advisory Weakness Curation

CVE-2021-32809

Progress 0 / 0

Advisory Summaries

github_osv/GHSA-7889-rm5j-hpgg

Clipboard feature vulnerability allowing to inject arbitrary HTML into the editor using paste functionality ### Affected packages The vulnerability has been discovered in clipboard https://ckeditor.com/cke4/addon/clipboard plugin. All plugins with clipboard https://ckeditor.com/cke4/addon/clipboard plugin dependency are affected: * clipboard https://ckeditor.com/cke4/addon/clipboard * pastetext https://ckeditor.com/cke4/addon/pastetext * pastetools https://ckeditor.com/cke4/addon/pastetools * widget https://ckeditor.com/cke4/addon/widget * uploadwidget https://ckeditor.com/cke4/addon/uploadwidget * autolink https://ckeditor.com/cke4/addon/autolink * tableselection https://ckeditor.com/cke4/addon/tableselection ### Impact A potential vulnerability has been discovered in CKEditor 4 Clipboard https://ckeditor.com/cke4/addon/clipboard package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. ### Patches The problem has been recognized and patched. The fix will be available in version 4.16.2. ### For more information Email us at security@cksource.com if you have any questions or comments about this advisory. ### Acknowledgements The CKEditor 4 team would like to thank Anton Subbotin (skavans https://github.com/skavans) for recognizing and reporting this vulnerability.

gitlab/npm/ckeditor4/CVE-2021-32809

Code Injection ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 Clipboard. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at The problem has been recognized and patched.

gitlab/npm/ckeditor/CVE-2021-32809

Code Injection ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEdit The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor.