Is Html5Lib Safe?

Html5Lib — Nerq Trust Score 58.9/100 (C grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-03-31.

Use Html5Lib with some caution. Html5Lib is a Python package with a Nerq Trust Score of 58.9/100 (C), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 80/100. Popularity: 80/100. Data sourced from PyPI registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-03-31. Machine-readable data (JSON).

Is Html5Lib safe?

CAUTION — Html5Lib has a Nerq Trust Score of 58.9/100 (C). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.

Security Analysis → {name} Privacy Report →

What is Html5Lib's trust score?

Html5Lib has a Nerq Trust Score of 58.9/100, earning a C grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.

Security
80
Popularity
80

What are the key security findings for Html5Lib?

Html5Lib's strongest signal is security at 80/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.

Security score: 80/100 (strong)
Popularity: 80/100 — community adoption

What is Html5Lib and who maintains it?

AuthorJames Graham
Categorypypi
SourceN/A

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Safety Guide: Html5Lib

What is Html5Lib?

Html5Lib is a Python package — HTML parser based on the WHATWG HTML specification.

How to Verify Safety

Run pip audit or safety check. Review on PyPI for download stats.

You can also check the trust score via API: GET /v1/preflight?target=html5lib

Key Safety Concerns for Python packages

When evaluating any Python package, watch for: dependency vulnerabilities, malicious uploads, maintenance status.

Trust Assessment

Html5Lib has a Nerq Trust Score of 59/100 (C) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.

Key Takeaways

Detailed Score Analysis

DimensionScore
Security80/100
Privacy80/100
Reliability90/100
Transparency85/100
Maintenance60/100

Based on 5 dimensions. Data from PyPI registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard.

What data does Html5Lib collect?

Html5Lib is a Python package maintained by James Graham. It receives approximately 7,496,860 weekly downloads. Licensed under MIT License.

As a development package, Html5Lib does not directly collect end-user personal data. However, applications built with it may collect data depending on implementation. Privacy score: 80/100.

Review the package's dependencies for potential supply chain risks. Run your package manager's audit command regularly.

Full analysis: Html5Lib Privacy Report · Privacy review

Is Html5Lib secure?

Security score: 80/100. Html5Lib has 0 known vulnerabilities (CVEs) in the National Vulnerability Database. This is a clean record.

Licensed under MIT License, allowing code inspection. Open-source packages allow independent security review of the source code.

Run your package manager's audit command (`npm audit`, `pip audit`, `cargo audit`) to check for known vulnerabilities in your dependency tree.

Full analysis: Html5Lib Security Report

How we calculated this score

Html5Lib's trust score of 58.9/100 (C) is computed from PyPI registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. The score reflects 5 independent dimensions: security (80/100), privacy (80/100), reliability (90/100), transparency (85/100), maintenance (60/100). Each dimension is weighted equally to produce the composite trust score.

Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.

This page was last reviewed on March 31, 2026. Data version: 1.0.

Full methodology documentation · Machine-readable data (JSON API)

Frequently Asked Questions

Is Html5Lib safe to use?
Use with some caution. html5lib has a Nerq Trust Score of 58.9/100 (C). Strongest signal: security (80/100). Score based on security (80/100), popularity (80/100).
What is Html5Lib's trust score?
html5lib: 58.9/100 (C). Score based on: security (80/100), popularity (80/100). Scores update as new data becomes available. API: GET nerq.ai/v1/preflight?target=html5lib
What are safer alternatives to Html5Lib?
In the pypi category, more Python packages are being analyzed — check back soon. html5lib scores 58.9/100.
Does Html5Lib have known vulnerabilities?
Nerq checks Html5Lib against NVD, OSV.dev, and registry-specific vulnerability databases. Current security score: 80/100. Run your package manager's audit command for the latest findings.
How actively maintained is Html5Lib?
Html5Lib has a trust score of 58.9/100 (C). Below Nerq Verified threshold — conduct additional review.
API: /v1/preflight Trust Badge API Docs

Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.

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