[+] Author : Gaddar ~ Turkish Vulnerability Researcher
[+] Team : Yer6Sec - SiyahBayrak
[+] Vendor Page : https://yowayousef.com/
[+] Error Title : YoWhatsApp Application Crash Error
[+] Error Description ; A simple effect that causes WhatsApp application to crash.

Tested On : Google Pixel 2 - Android 5.1.1
WP Version : 8.12

[#] PoC ;
• Install YoWhatsApp 8.12
• Login WhatsApp
• Click (•••) three dot icon.
• Click Message a Number button.
• Write a number but using () marks. Ex : +90 (542) 000 00 00
• Click Message and application crashed :)