CKEditor: Cross-site scripting (XSS) in the HTML Support package
Summary
CKEditor: Cross-site scripting (XSS) in the HTML Support package
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Ubuntu UBUNTU-CVE-2026-28343 ckeditor
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- web github.com
- web github.com