# Password Reuse Detector

> Simple Mozilla Firefox extension for detecting password reuse and phishing attacks.

Canonical page: [https://chrome-stats.com/d/password-reuse-detector](https://chrome-stats.com/d/password-reuse-detector)

## Overview

- **ID:** `password-reuse-detector`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Luca Famà
- **Category:** privacy-security,alerts-updates
- **Daily users:** 1
- **Version:** 0.0.5
- **Last updated:** 2023-01-11
- **First published:** 2023-01-10
- **Size:** 94 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/password-reuse-detector/)

## Description

Password Reuse Detector is a Mozilla Firefox extension that detects if you are using the same password for different domains. Protect yourself against password reuse and phishing attacks. Change your password whenever the extension triggers a warning page.

## Rankings

- #103,407 — Overall
- #248 — password-protected

## Permissions and access

### Permissions

- `storage`
- `notifications`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/password-reuse-detector)