CVE-2024-24816: Cross-site scripting (XSS) vulnerability in samples with enabled the preview feature
First published: Wed Feb 07 2024(Updated: )
### Affected packages The vulnerability has been discovered in the samples that use the [preview](https://ckeditor.com/cke4/addon/preview) feature: * `samples/old/**/*.html` * `plugins/[plugin name]/samples/**/*.html` All integrators that use these samples 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 misconfigured [preview feature](https://ckeditor.com/cke4/addon/preview). It affects all users using the CKEditor 4 at version < 4.24.0-lts with affected samples 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 [Marcin Wyczechowski](https://www.linkedin.com/in/marcin-wyczechowski-0a823795/) & [Michał Majchrowicz](https://www.linkedin.com/in/micha%C5%82-majchrowicz-mwsc/) [AFINE Team](https://afine.com/) for recognizing and reporting this vulnerability.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/ckeditor4 | <4.24.0-lts | 4.24.0-lts |
| debian/ckeditor | <=4.16.0+dfsg-2<=4.19.1+dfsg-1<=4.22.1+dfsg1-2 | |
| debian/ckeditor3 | <=3.6.6.1+dfsg-7 | |
| CKEditor | >=4.0<4.24.0 |
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Reference Links
- https://ckeditor.com/cke4/addon/preview
- https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-mw2c-vx6j-mg76
- https://nvd.nist.gov/vuln/detail/CVE-2024-24816
- https://github.com/advisories/GHSA-mw2c-vx6j-mg76 (Advisory)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-24816
- https://launchpad.net/bugs/cve/CVE-2024-24816
- https://security-tracker.debian.org/tracker/CVE-2024-24816
- https://ubuntu.com/security/CVE-2024-24816
- https://github.com/ckeditor/ckeditor4/commit/7518202f0f228ee5549a36ecb7cb880b06ea5add
Frequently Asked Questions
What is the severity of CVE-2024-24816?
CVE-2024-24816 has a medium severity rating due to potential security compromises in applications using specific CKEditor 4 samples.
How do I fix CVE-2024-24816?
To fix CVE-2024-24816, upgrade CKEditor to version 4.24.0-lts or later.
What software versions are affected by CVE-2024-24816?
CVE-2024-24816 affects all CKEditor versions from 4.0 up to, but not including, 4.24.0.
Which CKEditor feature does CVE-2024-24816 impact?
CVE-2024-24816 impacts the preview feature in CKEditor 4 when using specific sample files.
Is there a specific package to update for CVE-2024-24816?
The specific package to update for CVE-2024-24816 is the ckeditor4 package.
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