SECURITY REPORT · EXTENSHI SCAN

AMZ Prime Filter

Firefox extension·by Shopswain
23
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.

Likely abandonedsafety score reduced by 30 points

  • No update in over 4 years
  • The developer's website is no longer reachable
Why this matters

An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

AMZ Prime Filter's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 383,513 extensions
In Shopping
1%of shopping extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,278 shopping extensions
Findings
696
median 6Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
50
median 4Declared in manifest
Active users
32
median 3vs category median

Findings breakdown

Automated security signal · 696 distinct issues across 6 severities
696
distinct issues
detected
1 square ≈ 2 issues

Permissions requested

50 permissions declared
No risky permissions
50 permissions requested — none are flagged as risky.
Medium
Access user identity

Can get OAuth2 tokens and access your Google account identity

Medium
Store local data

Can save data locally in the browser for persistence

Low
Schedule tasks

Can schedule periodic background tasks

Info
https://sellercentral.amazon.com/fba/profitabilitycalculator/index?lang=en_US

No additional information available.

Info
*://localhost/*

No additional information available.

Info
*://*.na.account.amazon.com/*

No additional information available.

Info
*://*.apac.account.amazon.com/*

No additional information available.

Info
*://*.eu.account.amazon.com/*

No additional information available.

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Scan performed by extenshi.io · Sep 14, 2026
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