Get the latest tech news
Show HN: Exploiting Slack's video embeds to achieve E2EE communication
Introduction Some time ago, while exploring Slack’s Block Kit reference, I noticed something peculiar: the video block. When I saw that it accepted a video_url, the first thing I thought was: how does it distinguish between any content and an actual video? Would there be any particular requirement or limitation in the embed? Foreign sources? Yeah, no.
None
Or read this on Hacker News

