npm package report

Is @ckeditor/ckeditor5-widget safe?

1 known vulnerability, worst severity MODERATE.

cvss
6.5

how bad it is if exploited, out of 10

epss
1.7%

chance of exploitation in the next 30 days

xyz score
not scored

CyberXYZ composite, out of 10

fig. 01 — GHSA-3rh3-wfr4-76mj, the advisory selected below

// advisories

GHSA-3rh3-wfr4-76mj

MODERATECVE-2021-21391

A regular expression denial of service (ReDoS) vulnerability has been discovered in multiple CKEditor 5 packages. The vulnerability allowed to abuse particular regular expressions, which could cause a significant performance drop resulting in a browser tab freeze. It affects all users using the CKEditor 5 packages listed above at version <= 26.0.0.

Affected
<= 26.0.0
Fixed in
27.0.0
Weakness
CWE-400
Published
2021-04-06
Source
github

GHSANVDMITREreferencereferencereferencereferencereferencereferencereferencereferencereference

// dependencies

0 direct

Sign in for dependency paths and remediation

// ai model usage

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

Checked 2026-09-22 at 02:52 UTC. The most recent advisory here was published 2021-04-06. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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