Cross-site scripting in CKEditor



Published: 2023-03-22 | Updated: 2023-09-06
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-28439
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		CKEditor
Web applications / JS libraries

Vendor CKSource

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU78394

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2023-28439

CWE-ID:

Exploit availability:

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the Iframe Dialog and Media Embed packages. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CKEditor: 4.0 basic - 4.20.2

Fixed software versions

CPE2.3 External links

http://github.com/ckeditor/ckeditor4/security/advisories/GHSA-vh5c-xwqv-cv9g


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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