IntroductionMcHire is the chatbot recruitment platform used by 90% of McDonald’s franchisees. Prospective employees chat with a bot named Olivia, created by a company called Paradox.ai, that collects their personal information, shift preferences, and administers personality tests. We noticed this after seeing complaints on Reddit of the bot responding with nonsensical answers.During a cursory security review of a few hours, we identified two serious issues: the McHire administration interface fo...