Is Cesium Safe?

Cesium — Nerq Trust Score 50.5/100 (C- grade). Score based on 2 independent trust signals. Last analyzed: 2026-03-22

Cesium is a Firefox extension with a Nerq Trust Score of 50.5/100 (C-), based on 3 independent data dimensions. Last analyzed: 2026-03-22 Security: 90/100. Popularity: 15/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-03-22. Machine-readable data (JSON).

Is Cesium safe?

Trust Score Breakdown — Cesium has a Nerq Trust Score of 50.5/100 (C-). Measured across 2 independent trust signals (as of 2026-03-22).

Security Analysis → Cesium Privacy Report →

What is Cesium's trust score?

Cesium has a Nerq Trust Score of 50.5/100, earning a C- grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.

Security
90
Popularity
15

What are the key security findings for Cesium?

Cesium's strongest signal is security at 90/100. No known vulnerabilities have been detected.

Security score: 90/100 (strong)
Popularity: 15/100 — Firefox Add-ons

What is Cesium and who maintains it?

AuthorEnvironmental Information Systems
CategoryFirefox Add-ons
SourceN/A

Cesium Across Platforms

Same developer/company in other registries:

cesium
87/100 · npm
cesium
70/100 · pypi
cesium
55/100 · crates

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Safety Guide: Cesium

What is Cesium?

Cesium is a Firefox add-on — Receive and send Ğ1 libre currency.

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=Cesium

Key Safety Concerns for Firefox add-on

When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.

Measured Signals

Cesium has a Nerq Trust Score of 50/100 (C-). This score is a composite of automated measurements of security, maintenance, community, and quality signals.

Key Takeaways

Frequently Asked Questions

Is Cesium Safe?
Cesium with a Nerq Trust Score of 50.5/100 (C-). Strongest signal: security (90/100). Score based on Security (90/100), Popularity (15/100).
What is Cesium's trust score?
Cesium: 50.5/100 (C-). Score based on Security (90/100), Popularity (15/100). Scores update as new data becomes available. API: GET nerq.ai/v1/preflight?target=Cesium
What are safer alternatives to Cesium?
In the Firefox Add-ons category, more Firefox add-ons are being analyzed — check back soon. Cesium scores 50.5/100.
What permissions does Cesium need?
Review Cesium's requested permissions carefully. Extensions requesting broad data access carry the highest risk. Current trust score: 50.5/100.
Is Cesium open source?
Cesium has a Nerq Trust Score of 50.5/100 (C-), measured 2026-03-22. Review the signal breakdown above against your own requirements.
API: /v1/preflight Trust Badge API Docs

See Also

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.

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