CVE-2023-4771
CKEditor cross-site scripting vulnerability in AJAX sample
Impact
### Affected packages The vulnerability has been discovered in the AJAX sample available at the `samples/old/ajax.html` file location. All integrators that use that sample in the production code can be affected. ### Impact A potential vulnerability has been discovered in one of CKEditor's 4 samples that are shipped with production code. The vulnerability allowed to execute JavaScript code by abusing the AJAX sample. It affects all users using the CKEditor 4 at version < 4.24.0-lts where `samples/old/ajax.html` is used in a production environment. ### Patches The problem has been recognized and patched. The fix will be available in version 4.24.0-lts. ### For more information Email us at [security@cksource.com](mailto:security@cksource.com) if you have any questions or comments about this advisory. ### Acknowledgements The CKEditor 4 team would like to thank Rafael Pedrero and INCIBE ([original report](https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor)) for recognizing and reporting this vulnerability.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | ckeditor4 | < 4.24.0-lts | 4.24.0-lts |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cksource | Ckeditor | through 4.15.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor
- https://github.com/advisories/GHSA-wh5w-82f3-wrxh
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-wh5w-82f3-wrxh
- https://nvd.nist.gov/vuln/detail/CVE-2023-4771
- https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb