Prevent Pwned Passwords

Checks password hashes against Have I Been Pwned and displays a notification if the hash has been leaked in a breach.

Prevent Pwned Passwords - Firefox Add-on

Prevent Pwned Passwords is a Firefox add-on that checks password hashes against Have I Been Pwned database and alerts users if their password has been compromised in a breach. It securely hashes passwords and does not transmit any identifiable information.
Download
View on Firefox Browser Add-ons

Add-on stats

Manifest V2
Daily users: 61
1
Rating: 3.00
(3)
Version: 1.0.1resigned1 (Last updated: 2024-04-25)
Version code: 5729108
Creation date: 2017-10-29
Firefox on Android: Yes
Permissions:
  • notifications
  • storage
  • contextMenus
  • tabs
Size: 53.32K
Full description: See detailed description

Ranking

# 12,685 ▲ 72
Other rankings
#9 in prevent keyword 22 #43 in event keyword 24 #54 in present keyword 30 ▲ 1 #73 in password keyword 86 ▼ 2 #159 in wordpress keyword 25

Other platforms

Prevent Pwned Passwords (v1.1.0)
121 5.00 (1)
Not available on Android
Not available on Edge

Add-on safety

Risk impact

Prevent Pwned Passwords requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
  • Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
  • Medium ******* ******* ************* ***** *** ** ******* *** **** ******* ****** ******** *******
  • Low ******* ****** ** *** ********* ********
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Prevent Pwned Passwords. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Medium **** ********* *** *** **** *******
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Upgrade to see full risk analysis details