Language: JavaScript
Label: safe
CWE: CWE-829 \u2014 Inclusion of Functionality from Untrusted Control Sphere
The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.

Code:
    send: function(msg, toUserId) {

        wss.send(JSON.stringify({
            "type"   : "message",
            "toUser" : toUserId,
            "msg"    : msg
        }));

    }