From darkreading.com
Researchers at Check Point Software Technologies say they have discovered a dangerous weakness in the WhatsApp messaging app that gives threat actors a way to manipulate content in private and group conversations on the platform without raising any red flags.
The security vendor this week published a report demonstrating how an adversary could exploit the issue to change the identity of a message sender, alter the text of message replies, and send private messages spoofed as a public message to individual participants in a group.
More information here