BragJack Proof-of-Concept Hijacks AI Browser Assistants via Malicious Extensions
Researcher Gal Weizman demonstrates Prompt Forcing technique across Chrome, Edge, and AI integrations, earning two CVEs and over $20,000 in bounties

Key Takeaways
- BragJack is a proof-of-concept attack targeting AI browser assistants via a single malicious extension.
- The Prompt Forcing technique can hijack Chrome, Edge, Opera Neon, Perplexity Comet, and Claude in Chrome.
- The research earned over $20,000 in bounties and two CVE assignments.
- The disclosure reveals new risks as AI integrations become more prevalent in browsers.
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