THIS IS NOT MY TOOL, it is a copy since I notice the original is not always online. Full credit goes to @tommorowisnew_

xssXD

A tool made to detect xss vulnerablities in a list of urls. It takes input from the stdin.

How to install

git clone project
cd xssXD
go build

How to use

Usage of ./xssXD:
  -c int
        Set the Concurrency  (default 50)
  -s string
        Specify the payload to use (default "none")

• Set Concurrency according to your need, default 50
• Specify the payload to use. If not specified, it will check for characters <'"> by default

cat urls.txt | xssXD -c 100

Additional Info

The list of urls must be in the format protocol://subdomain/path?querys

Example

Default

cat test | ./xssXD                                                                                                   
http://public-firing-range.appspot.com/reflected/parameter/body/400?q=a is reflecting <, ', ", >
http://public-firing-range.appspot.com/reflected/parameter/title?q=a is reflecting <, ', ", >
http://public-firing-range.appspot.com/reflected/parameter/attribute_singlequoted?q=a is reflecting <, ', ", >
http://public-firing-range.appspot.com/reflected/parameter/body/500?q=a is reflecting <, ', ", >
http://public-firing-range.appspot.com/reflected/parameter/body_comment?q=a is reflecting <, ', ", >
https://xss-game.appspot.com/level1/frame?query=asd is reflecting <, ', ", >
http://sudo.co.il/xss/level0.php?email=asd# is reflecting <, ', ", >

With specified payload

cat test | ./xssXD -s "<svg/onload=alert()>"                                                                         
http://public-firing-range.appspot.com/reflected/parameter/title?q=a is reflecting <svg/onload=alert()>
http://public-firing-range.appspot.com/reflected/parameter/body/400?q=a is reflecting <svg/onload=alert()>
http://public-firing-range.appspot.com/reflected/parameter/body/500?q=a is reflecting <svg/onload=alert()>
http://public-firing-range.appspot.com/reflected/parameter/body_comment?q=a is reflecting <svg/onload=alert()>
http://public-firing-range.appspot.com/reflected/parameter/attribute_singlequoted?q=a is reflecting <svg/onload=alert()>
https://xss-game.appspot.com/level1/frame?query=asd is reflecting <svg/onload=alert()>
http://sudo.co.il/xss/level0.php?email=asd# is reflecting <svg/onload=alert()>

Set Concurrency

cat test | ./xssXD -c 100
http://public-firing-range.appspot.com/reflected/parameter/attribute_singlequoted?q=a is reflecting <, ', ", >
http://public-firing-range.appspot.com/reflected/parameter/body/400?q=a is reflecting <, ', ", >
http://public-firing-range.appspot.com/reflected/parameter/body/500?q=a is reflecting <, ', ", >
http://public-firing-range.appspot.com/reflected/parameter/body_comment?q=a is reflecting <, ', ", >
http://public-firing-range.appspot.com/reflected/parameter/title?q=a is reflecting <, ', ", >
https://xss-game.appspot.com/level1/frame?query=asd is reflecting <, ', ", >
http://sudo.co.il/xss/level0.php?email=asd# is reflecting <, ', ", >