extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Flow Intercepter

Firefox extension·by Mehdi ESSALEHI
69
/ 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

Flow Intercepter's safety score vs every other extension we've scanned
Globally
13%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,636 extensions
In Download Management
7%of download management extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,809 download management extensions
Findings
16
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
9
median 4Declared in manifest
Active users
1
median 9vs category median

Findings breakdown

Automated security signal · 16 distinct issues across 6 severities
16
distinct issues
detected

Permissions requested

8 risky permissions of 9 total
2 critical permissions require attention
This extension requests 9 permissions in total. 8 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
Manage downloads

Can initiate downloads and access your download history

High
Observe web requests

Can monitor all network requests made by the browser

High
Block and modify web requests

Can intercept, block, or modify any network request before it completes

High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

Medium
Store local data

Can save data locally in the browser for persistence

Are you the author of Flow Intercepter?

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 Flow Intercepter'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/111917)](https://catalog.extenshi.io/extensions/111917/security)
HTML
<a href="https://catalog.extenshi.io/extensions/111917/security"><img src="https://catalog.extenshi.io/api/badge/111917" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Aug 7, 2026
Browser extensions made transparent.