Is Polyfill Mbstring Safe?

Polyfill Mbstring — Nerq Trust Score 63.2/100 (C+ grade). Based on analysis of 2 trust dimensions, it is generally safe but has some concerns. Last updated: 2026-04-11.

Use Polyfill Mbstring with some caution. Polyfill Mbstring is a PHP package with a Nerq Trust Score of 63.2/100 (C+), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 100/100. Data sourced from packagist.org, GitHub, and NVD. Last updated: 2026-04-11. Machine-readable data (JSON).

Is Polyfill Mbstring safe?

CAUTION — Polyfill Mbstring has a Nerq Trust Score of 63.2/100 (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 → Polyfill Mbstring Privacy Report →

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.

Security
90
Popularity
100

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. It has not yet reached the Nerq Verified threshold of 70+.

Security score: 90/100 (strong)
Popularity: 100/100 — 7,860 stars on PHP Packages

What is Polyfill Mbstring and who maintains it?

Authorsymfony
CategoryPHP Packages
Stars7,860
SourceN/A

Similar Packagist by Trust Score

geocoder-php/common-http (63)queue-interop/queue-interop (63)exercise/htmlpurifier-bundle (63)symfony/property-info (63)jean85/pretty-package-versions (63)
See all safest Packagist →

Compare

Polyfill Mbstring vs geocoder-php/common-httpPolyfill Mbstring vs queue-interop/queue-interopPolyfill Mbstring vs exercise/htmlpurifier-bundle

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.

Trust Assessment

Polyfill Mbstring has a Nerq Trust Score of 63/100 (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
Security90/100
Privacy80/100
Reliability90/100
Transparency50/100
Maintenance60/100

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. This meets the recommended security threshold for production use.

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), privacy (80/100), reliability (90/100), transparency (50/100), 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 April 11, 2026. Data version: 1.0.

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

Frequently Asked Questions

Is Polyfill Mbstring Safe?
Use with some caution. symfony/polyfill-mbstring with a Nerq Trust Score of 63.2/100 (C+). Strongest signal: popularity (100/100). Score based on Security (90/100), Popularity (100/100).
What is Polyfill Mbstring's trust score?
symfony/polyfill-mbstring: 63.2/100 (C+). Score based on Security (90/100), Popularity (100/100). Scores update as new data becomes available. API: GET nerq.ai/v1/preflight?target=symfony/polyfill-mbstring
What are safer alternatives to Polyfill Mbstring?
In the PHP Packages category, more PHP packages are being analyzed — check back soon. symfony/polyfill-mbstring scores 63.2/100.
Does Polyfill Mbstring have known vulnerabilities?
Nerq checks Polyfill Mbstring against NVD, OSV.dev, and registry-specific vulnerability databases. Current security score: 90/100. Run your package manager's audit command for the latest findings.
Is Polyfill Mbstring actively maintained?
Polyfill Mbstring maintenance score: N/A. Check the repository for recent commit activity and issue responsiveness.
API: /v1/preflight Trust Badge API Docs

See Also

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

We use cookies for analytics and caching. Privacy