npm package report

Is @ckeditor/ckeditor5-html-support safe?

2 known vulnerabilities, worst severity MODERATE.

cvss

6.4

how bad it is if exploited, out of 10

epss

0.30%

chance of exploitation in the next 30 days

xyz score

not scored

CyberXYZ composite, out of 10

fig. 01 — GHSA-jrqm-vmqc-gm93, the advisory selected below

// advisories

GHSA-jrqm-vmqc-gm93

MODERATECVE-2026-28343

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.

Affected: >= 29.0.0, < 47.6.0
Fixed in: 47.6.0
Weakness: CWE-79
Published: 2026-03-04
Source: github

GHSA NVD MITRE reference reference reference

// dependencies

0 direct

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

Checked 2026-09-22 at 03:45 UTC. The most recent advisory here was published 2026-03-04. Updated continuously from NVD, GHSA, OSV and CNA feeds.

Is @ckeditor/ckeditor5-html-support safe? npm package security report | CyberXYZ