CVE-2021-32809
Clipboard feature vulnerability allowing to inject arbitrary HTML into the editor using paste functionality
Impact
### 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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | ckeditor4 | >= 4.5.2, < 4.16.2 | 4.16.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ckeditor | Ckeditor | from 4.5.2 before 4.16.2 |
| Fedoraproject | Fedora | Versions 33, 34, 35 |
| Oracle | Application Express | before 21.1.4 |
| Oracle | Banking Party Management | Version 2.7.0 |
| Oracle | Commerce Guided Search | Version 11.3.2 |
| Oracle | Commerce Merchandising | Version 11.3.2 |
| Oracle | Documaker | Versions 12.6.3, 12.6.4 |
| Oracle | Financial Services Analytical Applications Infrastructure | from 8.0.7 through 8.1.1 |
| Oracle | Jd Edwards Enterpriseone Tools | before 9.2.6.0 |
| Oracle | Peoplesoft Enterprise Peopletools | Versions 8.57, 8.58, 8.59 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://github.com/advisories/GHSA-7889-rm5j-hpgg
- https://nvd.nist.gov/vuln/detail/CVE-2021-32809
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/