npm package report

Is happy-dom safe?

happy-dom (npm) has 8 known vulnerabilities, the worst rated CRITICAL. Upgrade to 21.0.4 or later to clear all of them. No malicious-package signal is recorded.

// reach

17 direct dependencies

3 carry known advisories, worst CRITICAL

11 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

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

cvss

9.4

critical

CVSS v4.0 base score out of 10

epss

0.36%

low

chance of exploitation in 30 days, 30th percentile of all CVEs

xyz score

5.2

medium

CyberXYZ composite out of 10

fig. 01 — GHSA-qpm2-6cq5-7pq5, the advisory selected below

// 8 advisories

GHSA-qpm2-6cq5-7pq5

CRITICALGitHub ratingCVE-2025-62410

The mitigation proposed in GHSA-37j7-fg3j-429f for disabling eval/Function when executing untrusted code in happy-dom does not suffice, since it still allows…

Full advisory text at GitHub advisory or NVD.

// cvss v4.0 vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: Low
User interaction: Passive
Confidentiality (vulnerable system): High
Integrity (vulnerable system): High
Availability (vulnerable system): High
Confidentiality (subsequent systems): High
Integrity (subsequent systems): High
Availability (subsequent systems): High

// questions

Is happy-dom safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 8 known vulnerabilities for happy-dom (npm), the worst rated CRITICAL, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does happy-dom have known vulnerabilities?

Yes. CyberXYZ records 8 known vulnerabilities for happy-dom (npm), the worst rated CRITICAL. These include GHSA-qpm2-6cq5-7pq5, GHSA-37j7-fg3j-429f, GHSA-96g7-g7g9-jxw8, GHSA-c8p4-j97h-3vg8, GHSA-834v-8h66-3h79.

Which version of happy-dom should I use?

21.0.4 or later clears every advisory recorded for happy-dom (npm). Check the release you pick before installing it.

How do I check happy-dom before installing?

Search happy-dom in CyberXYZ Check at https://cyberxyz.io/check?q=happy-dom. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.

Checked 2026-11-14 at 12:38 UTC. The most recent advisory here was published 2026-10-28. Updated continuously from NVD, GHSA, OSV and CNA feeds.