# @ckeditor/ckeditor5-html-support (npm) vulnerabilities

2 known vulnerabilities (2 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://www.npmjs.com/package/@ckeditor/ckeditor5-html-support

## Advisories (2)

### [CVE-2026-28343](https://cve.now/CVE-2026-28343): CKEditor: Cross-site scripting (XSS) in the HTML Support package

- Severity: Medium 6.4
- Published: Mar 5, 2026
- Affected: from 29.0.0, fixed in 47.6.0.

### [CVE-2022-31175](https://cve.now/CVE-2022-31175): Cross-site scripting caused by the editor instance destroying process in ckeditor5

- Severity: Medium 5.8
- Published: Aug 3, 2022
- Affected: fixed in 35.0.1.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/npm/@ckeditor/ckeditor5-html-support
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.
