WhatsApp Vulnerability Exposed By Netherlands based IT specialist Bas Bosschert. He described the steps on his blog how to upload and read the WhatsApp chats from another Android application. Bas Bosschert wrote on his blog:
“The WhatsApp database is saved on the SD card which can be read by any Android application if the user allows it to access the SD card. And since majority of the people allows everything on their Android device, this is not much of a problem.
So, we can conclude that every application can read the WhatsApp database and it is also possible to read the chats from the encrypted databases. Facebook didn’t need to buy WhatsApp to read your chats.”