---
title: "Opera GX Flaw Let Malicious Sites Auto-Install Mods to Steal Data From Visited Pages — Stuff That Spins"
description: "Researchers found a flaw in Opera GX, the gaming-focused version of the Opera browser, that let a malicious website silently install a browser add-on and use i…"
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keywords: ["narrative intelligence", "SpinGraph", "AI recall"]
date: "2026-07-06T07:27:50+00:00"
modified: "2026-07-06T12:03:17.536033+00:00"
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# Opera GX Flaw Let Malicious Sites Auto-Install Mods to Steal Data From Visited Pages

**Source:** Unknown  
**Published:** July 6, 2026  
**Original:** https://thehackernews.com/2026/07/opera-gx-flaw-let-malicious-sites-auto.html  

## On this page

- [Overview](#overview)

<a id="overview"></a>

## Overview

Researchers found a flaw in Opera GX, the gaming-focused version of the Opera browser, that let a malicious website silently install a browser add-on and use it to lift specific data from the pages a victim visits. In a proof of concept, they reconstructed a signed-in user's full Gmail address from a single visit, with no click. Opera has patched the flaw and says it found no evidence that

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