Language: JavaScript
Label: safe
CWE: CWE-352 \u2014 Cross-Site Request Forgery (CSRF)
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

Code:
    var completeSession = function(){

        session = null;

        // Reset the mute and holde button
        $("#muteCall, #holdCall").show();
        $("#unholdCall, #unmuteCall").hide();

    };