Security Advisory

CVE-2026-28343

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-03-05 19:42:58

Last updated 2026-03-19 18:45:43

Assigner GitHub_M

CVSS score 6.4

State PUBLISHED

Description

CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. Starting in version 29.0.0 and prior to version 47.6.0, a cross-site scripting (XSS) vulnerability has been discovered in the General HTML Support feature. This vulnerability could be triggered by inserting specially crafted markup, leading to unauthorized JavaScript code execution, if the editor instance used an unsafe General HTML Support configuration. This issue has been patched in version 47.6.0.

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