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happy-dom vulnerabilities

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
Licenses: MIT
Published: 6 years ago Last updated: 25 days ago Latest version: 20.0.10 Latest non-vulnerable version: 20.0.10
npm
GitHub

Package Health Score

97/100
  • securityNo known security issues
  • popularityKey ecosystem project
  • maintenanceHealthy
  • communityActive

Maintenance

HEALTHY

Commit Frequency

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Open Issues
249
Open PR
18
New PRS
1
Last Release
25 days ago
Last Commit
25 days ago
Maintainers
1

Further analysis of the maintenance status of happy-dom based on released npm versions cadence, the repository activity, and other data points determined that its maintenance is Healthy.

We found that happy-dom demonstrates a positive version release cadence with at least one new version released in the past 3 months.

As a healthy sign for on-going project maintenance, we found that the GitHub repository had at least 1 pull request or issue interacted with by the community.

Popularity

KEY ECOSYSTEM PROJECT
Weekly downloads (3.3M)
GitHub Stars
4.1k
Forks
269
Contributors
150

The npm package happy-dom receives a total of 3,295,878 downloads a week. As such, we scored happy-dom popularity level to be Key ecosystem project.

Based on project statistics from the GitHub repository for the npm package happy-dom, we found that it has been starred 4,136 times.

Downloads are calculated as moving averages for a period of the last 12 months, excluding weekends and known missing data points.

Community

ACTIVE
Readme.md
Yes
Contributing.md
Yes
Code of Conduct
Yes
Contributors
150
Funding
Yes
LICENSE
MIT

A good and healthy external contribution signal for happy-dom project, which invites more than one hundred open source maintainers to collaborate on the repository.

License

MIT>=0;
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Direct Vulnerabilities

Known vulnerabilities in the happy-dom package. This does not include vulnerabilities belonging to this package’s dependencies.

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Security

NO KNOWN SECURITY ISSUES
Show only direct vulnerabilities in latest version

No vulnerabilities found in the latest version

There are 3 total vulnerabilities, but none affect the latest version (20.0.10)

No vulnerabilities found

Package versions

696 VERSIONS IN TOTAL See all versions
versionpublisheddirect vulnerabilities
20.0.1028 Oct, 2025
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20.0.928 Oct, 2025
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20.0.821 Oct, 2025
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20.0.719 Oct, 2025
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20.0.619 Oct, 2025
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20.0.517 Oct, 2025
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20.0.416 Oct, 2025
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20.0.316 Oct, 2025
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20.0.215 Oct, 2025
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20.0.114 Oct, 2025
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happy-dom dependencies

3 IN TOTAL
whatwg-mimetype@types/whatwg-mimetype@types/node

happy-dom development dependencies

4 IN TOTAL
@vitest/ui@webref/csstypescriptvitest