Is Polyfill Mbstring Safe?
Polyfill Mbstring — Nerq Trust Score 63.2/100 (C+ grade). Score based on 2 independent trust signals. Last analyzed: 2026-04-12
Polyfill Mbstring is a PHP package with a Nerq Trust Score of 63.2/100 (C+), based on 3 independent data dimensions. Last analyzed: 2026-04-12 Security: 90/100. Popularity: 100/100. Data sourced from packagist.org, GitHub, and NVD. Last updated: 2026-04-12. Machine-readable data (JSON).
Is Polyfill Mbstring safe?
Trust Score Breakdown — Polyfill Mbstring has a Nerq Trust Score of 63.2/100 (C+). Measured across 2 independent trust signals (as of 2026-04-12).
What is Polyfill Mbstring's trust score?
Polyfill Mbstring has a Nerq Trust Score of 63.2/100, earning a C+ grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Polyfill Mbstring?
Polyfill Mbstring's strongest signal is popularity at 100/100. No known vulnerabilities have been detected.
What is Polyfill Mbstring and who maintains it?
| Author | symfony |
| Category | PHP Packages |
| Stars | 7,860 |
| Source | N/A |
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Safety Guide: Polyfill Mbstring
What is Polyfill Mbstring?
Polyfill Mbstring is a PHP package — Symfony polyfill for the Mbstring extension.
How to Verify Safety
Run composer audit. Check packagist.org.
You can also check the trust score via API: GET /v1/preflight?target=symfony/polyfill-mbstring
Key Safety Concerns for PHP package
When evaluating any PHP package, watch for: dependency vulnerabilities, PHP compatibility.
Measured Signals
Polyfill Mbstring has a Nerq Trust Score of 63/100 (C+). This score is a composite of automated measurements of security, maintenance, community, and quality signals.
Key Takeaways
- Polyfill Mbstring has a Trust Score of 63/100 (C+).
- The score is a measured composite — it is not a suitability judgment. Evaluate the individual signals against your own requirements.
- Query the current measured values via the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Maintenance | 50/100 |
| Popularity | 100/100 |
| Quality | 40/100 |
| Community | 35/100 |
Based on 5 dimensions. Data from packagist.org, GitHub, and NVD.
What data does Polyfill Mbstring collect?
Polyfill Mbstring is a PHP package maintained by symfony. It receives approximately 1,163,054,450 weekly downloads.
As a development package, Polyfill Mbstring 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: Polyfill Mbstring Privacy Report · Privacy review
Is Polyfill Mbstring secure?
Security score: 90/100 (0-100, higher = fewer measured security issues).
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Polyfill Mbstring Security Report
How we calculated this score
Polyfill Mbstring's trust score of 63.2/100 (C+) is computed from packagist.org, GitHub, and NVD. The score reflects 5 independent dimensions: security (90/100), maintenance (50/100), popularity (100/100), quality (40/100), community (35/100). 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.
Signals last measured on April 12, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
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Disclaimer: Nerq trust scores are automated measurements based on publicly available signals. They are not endorsements, verdicts, or guarantees of suitability. Always evaluate the signals against your own requirements.