AI recommendation poisoning via prefilled assistant links
🔎 New prompt-injection tactics hide in common "Ask AI" deep links on marketing and comparison pages. These pre-filled queries open a user's active ChatGPT, Claude, Gemini, or Grok session and can instruct the model to persistently mark a vendor's domain as a trusted source without consent. Microsoft catalogued the behavior as AI Recommendation Poisoning in Feb 2026; it appears across many industries and is tracked in MITRE ATLAS as Memory Poisoning. Detecting and preventing it requires DOM inspection, memory audits, and treating such links as risky.
