# Warn Common Password

> Shows a warning notification if you enter a Common Password in Password field or Security Answer field. This addon compares a password against a list of 500000 (!) common passwords from a publicly available list. This addon works entirely offline.

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

## Overview

- **ID:** `warn-common-password`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Gokulakrishna Sudharsan
- **Category:** privacy-security
- **Daily users:** 1
- **Version:** 0.0.11resigned1
- **Last updated:** 2024-04-25
- **First published:** 2018-04-29
- **Size:** 2.08 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/warn-common-password/)
- **Website:** [https://outgoing.prod.mozaws.net/v1/d507170b6137d068493e80b7c12121330219e2eca5d859799453edc4ee70956c/https%3A//github.com/gkrishnaks/warn-common-password/issues](https://outgoing.prod.mozaws.net/v1/d507170b6137d068493e80b7c12121330219e2eca5d859799453edc4ee70956c/https%3A//github.com/gkrishnaks/warn-common-password/issues)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/warn-common-password/privacy/](https://addons.mozilla.org/firefox/addon/warn-common-password/privacy/)

## Description

Warn Common Password is a Firefox add-on that compares passwords against a list of 500,000 common passwords and displays a warning notification if a match is found. This add-on works offline for your security and privacy.

## Rankings

- #127,845 — Overall
- #214 — password

## Permissions and access

### Permissions

- `notifications`
- `storage`

### 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 website URL may be invalid

> 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/warn-common-password)