SECURITY REPORT · EXTENSHI SCAN

SellerFast

Firefox extension·by dotanero
82
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.

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

SellerFast's safety score vs every other extension we've scanned
Globally
45%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,522 extensions
In Shopping
34%of shopping extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,461 shopping extensions
Findings
11
median 6Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
11
median 4Declared in manifest
Active users
0
median 3vs category median

Findings breakdown

Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected
Scanners reported 18 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

11 permissions declared
No risky permissions
11 permissions requested — none are flagged as risky.
Medium
Store local data

Can save data locally in the browser for persistence

Info
https://www.amazon.com/*/dp/*

No additional information available.

Info
https://www.amazon.com/dp/*

No additional information available.

Info
https://www.amazon.co.jp/*/dp/*

No additional information available.

Info
https://www.amazon.co.jp/dp/*

No additional information available.

Info
https://www.amazon.co.uk/*/dp/*

No additional information available.

Info
https://www.amazon.co.uk/dp/*

No additional information available.

Info
https://www.amazon.de/*/dp/*

No additional information available.

Are you the author of SellerFast?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show SellerFast's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/257975)](https://catalog.extenshi.io/extensions/257975/security)
HTML
<a href="https://catalog.extenshi.io/extensions/257975/security"><img src="https://catalog.extenshi.io/api/badge/257975" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Aug 24, 2026
Browser extensions made transparent.