a simple js xss for kusonime.com

kuso.js

/*
davins; (t.me/dvinchii)
date: new Date() => {
	Sat Sep 17 2022 21:33:37 GMT+0700 (Western Indonesia Time)
}
*/
async function getdata(){
	return new Promise((resolve, reject) => {
		let data = {};
		if (document.readyState == "complete"){
			document.querySelectorAll(".smokeddl").forEach((content, index) => {
				let ttl = content.querySelector(".smokettl");
				if (ttl !== null){
					data[ttl.textContent] = {};
					content.querySelectorAll(".smokeurl").forEach((url, i) => {
						let links = {};
						url.querySelectorAll("a").forEach((u, i) => {
							links[u.textContent] = u.getAttribute("href")
						});
						data[ttl.textContent][
							url.getElementsByTagName("strong")[0].textContent
						] = links;
					});
				}
			});
			resolve(data);
		} else {
			reject("content not loaded");
		}
	});
}

async function ask(list){
	return new Promise((resolve, reject) => {
		query = prompt(
			list.map((e, i) => 
				`${i+1}. ${e}`
			).join("\n") + "\n\nChoice: "
		);
		if (query){
			query = parseInt(query) - 1;
			if (list.length > query){
				resolve(
					list[query]
				);
			} else {
				reject("wrong input");
			}
		} else {
			reject("nothing choice");
		}
	});
}

async function kuso(){
	try {
		const data = await getdata();
		var choice = await ask(
			Object.keys(data)
		);
		var res = data[choice];
		var choice = await ask(
			Object.keys(res)
		);
		var server = res[choice];
		var choice = await ask(
			Object.keys(server)
		);
		var lastSrvr = atob(new URL(server[choice]).searchParams.get("url"));
		var opOrnot = prompt(`${lastSrvr} \nOk for open url`);
		if (opOrnot !== null){
			window.open(lastSrvr ,"_blank");
		} else {
			alert("ok");
		}
	} catch (err) {
		console.error(err);
	}
}

kuso();

for quick use, just minify and add to browser bookmark