Linkedin Messenger Slack Among Messaging Apps Posing Privacy Concerns Through Preview Links
Looking specifically as LinkedIn and Instagram, bad actors could execute remote code attack on servers. Most chat apps use link previews to highlight received links alongside a preview image. It’s useful for the user because they can get an idea of what the link is about without clicking on it. Research from Talai Haj Bakry and Tommy Mysk finds this useful tool can also leak IP addresses. Some links have been found to be “unnecessarily downloading gigabytes of data quietly in the background....