Unveiling a critical RCE vulnerability in Opera's My Flow feature, this Guardio Labs full disclosure and analysis spotlights browser security risks and proactive solutions.

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A critical zero-day vulnerability was discovered in Opera's browser that allowed attackers to execute malicious files using a specially crafted browser extension. The vulnerability was found in Opera's My Flow feature, which has the potential for high security risks. The Guardio Labs research team disclosed the issue to Opera and the company responded promptly with a fix.

“MyFlaw” — Cross Platform 0-Day RCE Vulnerability Discovered in Opera’s Browser

Exploiting Opera-Controlled Domains’ Permissions

Injecting Code Via Extension Manipulations

Simulating “My Flow” to Send Malicious Payload

One Final Catch — From Zero to One Click