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260K+ Chrome Users Duped by Fake AI Browser Extensions

ID: 93793bf5-d562-5da4-a719-3d69fccca596

STIX ID: report--93793bf5-d562-5da4-a719-3d69fccca596

Feed Name: Dark Reading

Threat Score
70/100

Date Published: 2026-02-16

Date Updated: 2026-04-21

Author: Nate Nelson

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Researchers uncovered 30 malicious Chrome extensions that masquerade as AI assistants but load attacker-controlled iframes to capture and transmit user prompts, page content, and pasted secrets to remote servers; together they have over 260,000 downloads and many remained available in the Chrome Web Store, creating significant risk of data exfiltration, IP loss, and regulatory exposure.

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