Perplexity calls SquareX research on a Comet browser API entirely false. The company states the API requires developer mode and user consent for local command execution.
New research suggests that AI-powered browser sidebars, now being integrated into next-generation “agentic” browsers, could expose users to serious security risks. Researchers have shown that malicious extensions can easily mimic trusted AI sidebars, harvest credentials, and trigger remote attacks.


