Extended-XSS-Search - Scans For Different Types Of XSS On A List Of URLs
This is the extended version based on the initial idea already published as "xssfinder". This private version allows an attacker to perform not only GET but also POST requests. Additionally its possible to proxy every request through Burp or another tunnel.
First steps
Rename the example.app-settings.conf to app-settings.conf and adjust the settings. It should work out of the box but depending on the target I would recommend to resize the chunk sizes.
Execution
This tool does not expect any arguments via CLI, so just type:
python3 extended-xss-search.py
Configuration
Its possible to set a lot of options and settings, so here are some explanations.
Files
The main config file is the "app-settings.conf", everything has to be done in that file! Besides that, there are some other files which allow to set more complex data like headers, urls and cookies.
config/cookie-jar.txt
Use this file to add a cookie string. I usually copy the one which you can see in every burp request. Please just copy the value of the "Cookie:"-header. A sample input is in the default file.
config/http-headers.txt
This file defines the http headers which are added to the request and manipulated (payload is added to each one). The most important ones are already in the file. But feel free to add more.
config/parameters.txt
The tool has the option to brute force get and post parameters. In that case those parameters (+ those in the query string) will be used. Each parameter gets the payload as value. Most important are already in that file.
config/urls-to-test.txt
Thats the file you need! Please add here your links to scan. The following formats are allowed:
- https://domain.com
- https://domain.com/path
- https://domain.com/path?param=value¶m1=value1
- domain.com
logs/
This is the log folder where everything gets logged to!
Settings
The app-settings.conf defined the program workflow. Its the most important file, you can activate/deactive different modules there.
Basic settings
HTTPTimeout
Some requests can take long. Here you can define the max. execution time of one request. I recommend values between 2 and 6 seconds.
MaxThreads
The more threads, the faster the script is - but since we are dealing with a lot of connections I usually keep this below 10 on my personal computer and arround 30 on my VPS.
Attack types
OnlyBaseRequest
Setting this to true will result in only "base requests" - this means the url lists is just spidered and interesting parameters extracted. You could use that to fill you burp sitemap quickly.
UsePost
Use can skip POST requests setting this to "false"
UseGet
This is similar - skip GET requests if set to "false"
Attack type settings
GetChunkSize
How many GET parameters to test with one request?
PostChunkSize
How many POST parameters to test with one request?
Tunneling
Its also possible to use a tunnel, e.g. "127.0.0.1:8080" (Burp Proxy), to monitor all traffic within Burp.
Active
Setting this to "true" will force the script to use a tunneled connection.
Tunnel
Set here your proxy server "ip:port".
The result is the following one, when you open Burp you can watch your http history:
Screenshot
Via: feedproxy.google.com
Extended-XSS-Search - Scans For Different Types Of XSS On A List Of URLs
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