How severe is CVE-2025-25299?

This vulnerability has a severity rating of LOW with a CVSS score of N/A out of 10.

What type of vulnerability is CVE-2025-25299?

This is classified as CWE-79, which is a common weakness in software security.

CVE-2025-25299 - LOW Severity | CVSS N/A

Vulnerability Description

CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. During a recent internal audit, a Cross-Site Scripting (XSS) vulnerability was discovered in the CKEditor 5 real-time collaboration package. This vulnerability affects user markers, which represent users' positions within the document. It can lead to unauthorized JavaScript code execution, which might happen with a very specific editor and token endpoint configuration. This vulnerability affects only installations with Real-time collaborative editing enabled. The problem has been recognized and patched. The fix is available in version 44.2.1 (and above). Users are advised to upgrade. There are no known workarounds for this vulnerability.

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