WhatsApp Help Pages Leaked Hidden Instructions for a Meta Chatbot

Around 80 WhatsApp help and FAQ pages exposed hidden LLM instructions in their code, including bans on legal advice and references to GDPR, LGPD and CCPA. Meta removed the text after WIRED's inquiry, calling it a bug.

• Hidden chatbot instructions were found on about 80 WhatsApp help pages
• The bot was told not to cite GDPR, LGPD or CCPA or give legal opinions
• The text sat in HelpContentGalaxyLLMInclude code blocks and has been removed
• Meta called the exposure a bug and said the instructions target its support bot