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Take a look at our Documentation section for full details about every Burp Suite tool, function and configuration option.

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Burp Extender

Burp Extender lets you extend the functionality of Burp Suite in numerous ways.

Extensions can be written in Java, Python or Ruby.

API documentation Writing your first Burp Suite extension
Sample extensions View community discussions about Extensibility
  1. Support Center
  2. BApp Store
  3. TokenJar


This extension provides a way of managing tokens like anti-CSRF, CSurf, Session IDs.

It can be used to set parameters that require random numbers or parameters that are computed based on application responses.

It works by

  • extracting tokens from responses using your RegEx
  • insert them in responses after manipulating the values with javascript.

Multiple parameter choises

  • header - the token is contained by a custom header
  • url - the URL query contains the token
  • body - the token is an usual POST parameter
  • cookie - one of the cookies contains the token
  • other - json, xml, xml attribute, multi-part attribute

Scoping to different tools

  • Proxy
  • Intruder
  • Repeater
  • Scanner

Special features include

  • a module for testing your RegEx
  • enhanced debugging messages

Please refer to the documentation for more details.

Author Dan Negrea @sec3ty
Version 2.0
Last updated 20 June 2018

You can install BApps directly within Burp, via the BApp Store feature in the Burp Extender tool. You can also download them from here, for offline installation into Burp.

You can view the source code for this BApp by visiting our GitHub page.
Follow @BApp_Store on Twitter to receive notifications of all BApp releases and updates.
Download BApp

Please note that extensions are written by third party users of Burp, and PortSwigger Web Security makes no warranty about their quality or usefulness for any particular purpose.

Go back to BappStore