Is wa-filter-number-checker safe?

Question

Accepted Answer

wa-filter-number-checker is medium risk. When you open the popup, the extension reads the WhatsApp account number from the active web.whatsapp.com tab and retrieves the Chrome profile email. It then sends those values as email and phoneNumber fields to wa-filter-2a2416e8fac0.herokuapp.com/api/user and stores the response as the extension USER object.

Is WA Filter & Number Checker: Check & Verify WhatsApp Numbers safe?

Findings