AI Recommendation Poisoning: How “Ask AI” Buttons Silently Alter LLM Memory

A new class of prompt injection is spreading across commercial websites. It requires no malware, no stolen credentials, and no zero-day exploit. It abuses a standard feature built into almost every major AI assistant: pre-filled deep links.

We observed production websites embedding hidden prompt injection payloads inside "Ask AI" buttons on marketing and competitor comparison pages. When a user

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AI Recommendation Poisoning: How “Ask AI” Buttons Silently Alter LLM Memory