GHSA-wh5w-82f3-wrxh: CKEditor cross-site scripting vulnerability in AJAX sample

Package

npm ckeditor4 (npm)

Affected versions

< 4.24.0-lts

Patched versions

4.24.0-lts

Description

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 [email protected] 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.

References

• GHSA-wh5w-82f3-wrxh
• https://nvd.nist.gov/vuln/detail/CVE-2023-4771
• ckeditor/ckeditor4@8ed1a3c
• https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor

jacekbogdanski published to ckeditor/ckeditor4

Feb 7, 2024

Published to the GitHub Advisory Database

Feb 7, 2024

Reviewed

Feb 7, 2024

Last updated

Feb 7, 2024

Severity

Moderate

6.1

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses

CWE-79

CVE ID

No known CVE

GHSA ID

GHSA-wh5w-82f3-wrxh

Source code

ckeditor/ckeditor4

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