Is Sidebery Safe?
Sidebery — Nerq Trust Score 41.1/100 (D grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-04-01.
Exercise caution with Sidebery. Sidebery is a Firefox add-on with a Nerq Trust Score of 41.1/100 (D), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 65/100. Popularity: 62/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-04-01. Machine-readable data (JSON).
Is Sidebery safe?
NO — USE WITH CAUTION — Sidebery has a Nerq Trust Score of 41.1/100 (D). It has below-average trust signals with significant gaps in security, maintenance, or documentation. Not recommended for production use without thorough manual review and additional security measures.
What is Sidebery's trust score?
Sidebery has a Nerq Trust Score of 41.1/100, earning a D grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Sidebery?
Sidebery's strongest signal is security at 65/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is Sidebery and who maintains it?
| Author | mbnuqw |
| Category | firefox |
| Source | N/A |
Sidebery Across Platforms
Same developer/company in other registries:
Similar Firefox by Trust Score
Safety Guide: Sidebery
What is Sidebery?
Sidebery is a Firefox add-on — Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features..
How to Verify Safety
Review permissions on addons.mozilla.org. Check if source code is available.
You can also check the trust score via API: GET /v1/preflight?target=Sidebery
Key Safety Concerns for Firefox add-ons
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Trust Assessment
Sidebery has a Nerq Trust Score of 41/100 (D) 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
- Sidebery has a Trust Score of 41/100 (D).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 65/100 |
| Privacy | 90/100 |
| Reliability | 50/100 |
| Transparency | 60/100 |
| Maintenance | 60/100 |
Based on 5 dimensions. Data from addons.mozilla.org metadata, permissions analysis, and source code availability.
What data does Sidebery collect?
Sidebery has a privacy score of 90/100. Review the documentation and privacy policy for data handling details.
Full analysis: Sidebery Privacy Report · Privacy review
Is Sidebery secure?
Security score: 65/100. Review security practices and consider alternatives with higher security scores for sensitive use cases.
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Sidebery Security Report
How we calculated this score
Sidebery's trust score of 41.1/100 (D) is computed from addons.mozilla.org metadata, permissions analysis, and source code availability. The score reflects 5 independent dimensions: security (65/100), privacy (90/100), reliability (50/100), transparency (60/100), 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 01, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
Is Sidebery safe?
What is Sidebery's trust score?
What are safer alternatives to Sidebery?
What permissions does Sidebery need?
Is Sidebery open source?
Popular in firefox
Browse Categories
Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.