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@dependabot dependabot bot commented on behalf of github Oct 15, 2025

Bumps happy-dom from 19.0.2 to 20.0.1.

Release notes

Sourced from happy-dom's releases.

v20.0.1

👷‍♂️ Patch fixes

  • Adds warning for environment with unfrozen intrinsics (builtins) when JavaScript evaluation is enabled- By @​capricorn86 in task #1932
    • A security advisory has been reported showing that the recommended preventive measure of running Node.js with --disallow-code-generation-from-strings wasn't enough to protect against attackers escaping the VM context and accessing process-level functions. Big thanks to @​cristianstaicu for reporting this!
    • The documentation for how to run Happy DOM with JavaScript evaluation enabled in a safer way has been updated. Read more about it in the Wiki

v20.0.0

I avoid making breaking changes as much as possible in Happy DOM. When I have to make a breaking change, I try to keep it as minimal as possible. This could be a breaking change that impacts many projects, and I am truly sorry if you are negatively affected by this.

💣 Breaking Changes

  • Due to security risks, JavaScript evaluation is now disabled by default - By @​capricorn86 in task #1930
    • A security advisory (GHSA-37j7-fg3j-429f) has been reported that shows a security vulnerability where it's possible to escape the VM context and get access to process level functionality. Big thanks to @​Mas0nShi for reporting this!
    • Due to this security risk, JavaScript evaluation is now disabled by default to prevent that consumers accidentally executes untrusted code without taking precautions
    • JavaScript evaluation can be enabled by setting enableJavaScriptEvaluation to "true". Read more about how to enable this in a safer way in the Wiki
Commits
  • f45d92e fix: #0 Adds warning for environemnt with unfrozen builtins (#1932)
  • 819d15b BREAKING CHANGE: #0 Changes JavaScript evaluation to be disabled by default...
  • See full diff in compare view

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Bumps [happy-dom](https://github.com/capricorn86/happy-dom) from 19.0.2 to 20.0.1.
- [Release notes](https://github.com/capricorn86/happy-dom/releases)
- [Commits](capricorn86/happy-dom@v19.0.2...v20.0.1)

---
updated-dependencies:
- dependency-name: happy-dom
  dependency-version: 20.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added A-Dependencies Pull requests that update a dependency file Z-Deps-Frontend Updates to the frontend dependencies labels Oct 15, 2025
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dependabot bot commented on behalf of github Oct 16, 2025

Superseded by #5154.

@dependabot dependabot bot closed this Oct 16, 2025
@dependabot dependabot bot deleted the dependabot/npm_and_yarn/frontend/happy-dom-20.0.1 branch October 16, 2025 13:18
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