There is also a bug with the congratulation page after you solve a challenge, the script doesn't run because the new WeChall update broke the html
<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">
<html>
<head>
<title>Programming 16: "Lights out!"</title>
<meta http-equiv=\"content-type\" content=\"text/html; charset=ISO-8859-1\">
<meta name=\"author\" content=\"theblacksheep\">
<link rel=\"stylesheet\" type=\"text/css\" href=\"/styles.css\"><div class=\"gwf_messages\">
<span class=\"gwf_msg_t\">WeChall</span>
<ul>
<li>You gained 0.29% (126 points) on TheBlackSheep.</li>
</ul>
</div>
<div class=\"cl\"></div>
</head>
<body class=\"usual\"><div class=\"module\" style=\"text-align:center;\"><h1 style=\"font-size:14pt;\">Well done!</h1></div>
<script type=\"text/javascript\">
Check = confirm(\"Congratulations, well done!nNow you have solved 303 challenges.nDo you want to rate this challenge?
Your status at WeChall.net has been updated!\");
if (Check)
window.location.href = \"/challvote.php?challid=362\";
else
window.location.href = \"/hackchallenge.php\";
</script></body></html>