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bdu:2022-01784

certfr-2024-avi-0992 — De multiples vulnérabilités ont été découvertes dans les produits IBM. Certaines d'entre elles permettent à un attaquan…

certfr-2024-avi-0992

EUVD-2026-28212

fkie_cve-2021-32809

ckeditor is an open source WYSIWYG HTML editor with rich content support. 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. The problem has been recognized and patched. The fix will be available in version 4.16.2.

GHSA-7889-rm5j-hpgg — Clipboard feature vulnerability allowing to inject arbitrary HTML into the editor using paste functionality

Affected: npm: ckeditor4

### 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.

gsd-2021-32809

UBUNTU-CVE-2021-32809

Affected: Ubuntu:Pro:16.04:LTS: ckeditor, Ubuntu:18.04:LTS: ckeditor, Ubuntu:20.04:LTS: ckeditor