Opera GX 0-Click Vulnerability Lets Attackers Exfiltrate User Data via Malicious Website

A newly disclosed vulnerability in Opera GX allowed attackers to silently exfiltrate sensitive user data with no interaction required, simply by luring victims to a malicious website. The issue, documented in recent research titled “One trigram at a time: XSLeak via Universal CSS Injection and DoS in Opera (GX),” highlights how a seemingly harmless browser […]

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