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SECURITY REPORT · EXTENSHI SCAN

Progressive Downloader Extension

Firefox extension·by Maxim Trushin
81
/ 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

Progressive Downloader Extension's safety score vs every other extension we've scanned
Globally
30%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,874 extensions
In Download Management
29%of download management extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,893 download management extensions
Findings
20
median 10Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
6
median 4Declared in manifest
Active users
139
median 10vs category median

Findings breakdown

Automated security signal · 20 distinct issues across 6 severities
20
distinct issues
detected

Permissions requested

4 risky permissions of 6 total
2 critical permissions require attention
This extension requests 6 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps

Can exchange messages with applications installed on your computer

Critical
Access to all websites

Can read and modify content on every website you visit

High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
Manage downloads

Can initiate downloads and access your download history

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Store local data

Can save data locally in the browser for persistence

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Scan performed by extenshi.io · Oct 22, 2026
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