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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. EsPReSSO


This extension processes and recognizes single sign-on protocols.


Supported Protocols:

  • SAML
  • OpenID
  • OAuth
  • BrowserId
  • OpenID Connect
  • Facebook Connect
  • Microsoft Account


  • WS-Attacker integration while interception SAML messages


  • View and edit SAML messages.
  • Show SAML in a history tab
  • Syntax highlight
  • Context menu for 'Analyze SSO Protocol'


  • SAML
  • JSON
  • JSON Web Token (JWT)

Basic functions

  • Highlight SSO messages in proxy window, incl. the SSO type.
  • Detect OpenID login possibilities on websites (other protocols will follow).
Author Tim Guenther, Christian Mainka and Vladislav Mladenov
Version 2.0.2
Last updated 25 January 2017

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.

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