CVE-2023-4771: Cross-Site Scripting vulnerability in CKSource CKEditor
First published: Thu Nov 16 2023(Updated: )
## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-wh5w-82f3-wrxh. This link is maintained to preserve external references. ## Original Description A Cross-Site scripting vulnerability has been found in CKSource CKEditor affecting versions 4.15.1 and earlier. An attacker could send malicious javascript code through the /`ckeditor/samples/old/ajax.html` file and retrieve an authorized user's information.
Credit: cve-coordination@incibe.es
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/ckeditor4 | <=4.15.1 | |
| npm/ckeditor4 | <4.24.0-lts | 4.24.0-lts |
| CKEditor | <=4.15.1 |
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Reference Links
- https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor
- https://nvd.nist.gov/vuln/detail/CVE-2023-4771
- https://github.com/advisories/GHSA-hxjc-9j8v-v9pr (Advisory)
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-wh5w-82f3-wrxh
- https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb
- https://github.com/advisories/GHSA-wh5w-82f3-wrxh (Advisory)
Frequently Asked Questions
What is the vulnerability ID of the Cross-Site Scripting vulnerability in CKSource CKEditor?
The vulnerability ID is CVE-2023-4771.
What is the severity rating of CVE-2023-4771?
The severity rating of CVE-2023-4771 is 6.1 (Medium).
Which versions of CKSource CKEditor are affected by CVE-2023-4771?
Versions 4.15.1 and earlier of CKSource CKEditor are affected by CVE-2023-4771.
How can an attacker exploit CVE-2023-4771?
An attacker can exploit CVE-2023-4771 by sending malicious javascript code through the /ckeditor/samples/old/ajax.html file.
How can I fix the Cross-Site Scripting vulnerability in CKSource CKEditor (CVE-2023-4771)?
To fix the vulnerability, it is recommended to upgrade CKSource CKEditor to version 4.15.2 or later.
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