Is Ublock Origin Safe?
Ublock Origin — Nerq Trust Score 63.2/100 (C+ grade). Score based on 2 independent trust signals. Last analyzed: 2026-04-12
Ublock Origin is a Chrome extension 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 Chrome Web Store metadata, permissions analysis, developer verification, and update history. Last updated: 2026-04-12. Machine-readable data (JSON).
Is Ublock Origin safe?
Trust Score Breakdown — Ublock Origin has a Nerq Trust Score of 63.2/100 (C+). Measured across 2 independent trust signals (as of 2026-04-12).
What is Ublock Origin's trust score?
Ublock Origin 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 Ublock Origin?
Ublock Origin's strongest signal is popularity at 100/100. No known vulnerabilities have been detected.
What is Ublock Origin and who maintains it?
| Author | Unknown |
| Category | Chrome Extensions |
| Source | N/A |
Ublock Origin Across Platforms
Same developer/company in other registries:
Similar Chrome by Trust Score
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 extension
When evaluating any Chrome extension, watch for: excessive permissions, data harvesting, permission creep.
Measured Signals
Ublock Origin 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
- Ublock Origin 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 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 (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: Ublock Origin Security Report
Ublock Origin Across Platforms
Same developer/company in other registries:
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), 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.