CKEditor cross-site scripting vulnerability in AJAX sample
Published 7 Feb 2024 · Updated 7 Feb 2024
Affected package
- Affected
- <4.24.0-lts
- Fixed in
- 4.24.0-lts
npm install ckeditor4@4.24.0-ltsDetails
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) for recognizing and reporting this vulnerability.
Is GHSA-wh5w-82f3-wrxh in any of your client repos?
Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected ckeditor4, and gives you the command that fixes it.
References
- Linkgithub.com/ckeditor/ckeditor4/security/advisories/GHSA-wh5w-82f3-wrxh
- Advisorynvd.nist.gov/vuln/detail/CVE-2023-4771
- Linkgithub.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb
- Packagegithub.com/ckeditor/ckeditor4
- Linkwww.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor
Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.