Is Messenger For Facebook™ Safe?

Messenger For Facebook™ — Nerq Trust Score 50.5/100 (C- grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-03-30.

Use Messenger For Facebook™ with some caution. Messenger For Facebook™ is a Firefox add-on with a Nerq Trust Score of 50.5/100 (C-), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 90/100. Popularity: 15/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-03-30. Machine-readable data (JSON).

Is Messenger For Facebook™ safe?

CAUTION — Messenger For Facebook™ has a Nerq Trust Score of 50.5/100 (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.

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What is Messenger For Facebook™'s trust score?

Messenger For Facebook™ 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 Messenger For Facebook™?

Messenger For Facebook™'s strongest signal is security at 90/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.

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

What is Messenger For Facebook™ and who maintains it?

AuthorBaris Derin
Categoryfirefox
SourceN/A

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Safety Guide: Messenger For Facebook™

What is Messenger For Facebook™?

Messenger For Facebook™ is a Firefox add-on — Messenger for Facebook™ lets you bring a Messenger right into your browser to chat with your friends..

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=Messenger for Facebook™

Key Safety Concerns for Firefox add-ons

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

Trust Assessment

Messenger For Facebook™ has a Nerq Trust Score of 50/100 (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

Frequently Asked Questions

Is Messenger For Facebook™ safe?
Use with some caution. Messenger for Facebook™ has 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 Messenger For Facebook™'s trust score?
Messenger for Facebook™: 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=Messenger for Facebook™
What are safer alternatives to Messenger For Facebook™?
In the firefox category, more Firefox add-ons are being analyzed — check back soon. Messenger for Facebook™ scores 50.5/100.
What permissions does Messenger For Facebook™ need?
Review Messenger For Facebook™'s requested permissions carefully. Extensions requesting 'Read and change all data on all websites' carry the highest risk. Current trust score: 50.5/100.
Is Messenger For Facebook™ open source?
Check Messenger For Facebook™'s listing for source code availability. Open-source Firefox add-ons can be independently audited. Trust score: 50.5/100.
API: /v1/preflight Trust Badge API Docs

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