Is Ublock Origin Safe?
Ublock Origin is a Chrome extension with a Nerq Trust Score of 63.2/100 (C+). It is below the recommended threshold of 70. Security: 90/100. Popularity: 100/100. Data sourced from Chrome Web Store metadata, permissions analysis, developer verification, and update history. Last updated: 2026-03-23. Machine-readable data (JSON).
Is Ublock Origin safe?
CAUTION — Ublock Origin 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.
Trust Score Breakdown
Key Findings
Details
| Author | Unknown |
| Category | chrome |
| Source | N/A |
Safety Guide: Ublock Origin
What is Ublock Origin?
Ublock Origin is a Chrome extension — Efficient wide-spectrum content blocker. Open source, lightweight, uses less memory than other blockers. By Raymond Hill..
How to Verify Safety
Review permissions carefully. 'Read all data on all websites' is high risk.
You can also check the trust score via API: GET /v1/preflight?target=uBlock Origin
Key Safety Concerns for Chrome extensions
When evaluating any Chrome extension, watch for: excessive permissions, data harvesting, permission creep.
Trust Assessment
Ublock Origin 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
- Ublock Origin has a Trust Score of 63/100 (C+).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Privacy | 90/100 |
| Reliability | 100/100 |
| Transparency | 60/100 |
| Maintenance | 60/100 |
Based on 5 dimensions. Data from Chrome Web Store metadata, permissions analysis, developer verification, and update history.
What data does Ublock Origin collect?
Ublock Origin has a privacy score of 90/100. Review the documentation and privacy policy for data handling details.
Full analysis: Ublock Origin Privacy Report · Privacy review
Is Ublock Origin 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: Ublock Origin Security Report
How we calculated this score
Ublock Origin's trust score of 63.2/100 (C+) is computed from Chrome Web Store metadata, permissions analysis, developer verification, and update history. The score reflects 5 independent dimensions: security (90/100), privacy (90/100), reliability (100/100), transparency (60/100), maintenance (60/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 1.8 million software entities across 18 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 23, 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 assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.