Whatsapp User’s IP Address disclosure with Link Preview feature and Grabify
Note: This content is strictly for educational use only , misusing this knowledge can land you in trouble. I recently came across an article on medium by Rahul Kankrale about Whatsapp user’s IP disclosure from Whatsapp's Link Preview feature . The article was quite interesting , it meant that if a Whatsapp user copy pasted a website URL on his/her message box and Whatsapp generated a preview of the URL , it may expose Whatsapp user's IP address to the website even without user clicking the URL . That article was quite techy and demonstrating it to non technical student community was a pain, i also wanted to test if it works in 2021 without complex technical setup. So after lots of trial and error I selected grabify for this purpose and got interesting results such as Whatsapp version , Location , ISP and IP Address. I have used a VPN to hide my IP Address and geolocation . In the above dashboard i had to hide few columns for privacy reasons . So here i am going to expla