Cyber Risks · PortSwigger Research

CSurfer

Summary: CSurfer is a Burp Suite extension, version 1.1a by A. Saafan and last updated 22 June 2023, that automatically handles anti-CSRF tokens and hides the mechanism from the browser or other tool using Burp. It tracks the most recent token received in a response and ensures each request contains the latest token, and it lets Burp be chained as an upstream proxy from scanning tools that are not CSRF-aware.

Why it matters: The extension is third-party code that PortSwigger explicitly makes no warranty about for quality or usefulness, and it requires Java version 7 - a version a security leader should weigh before placing it in the request path of scanning tools.

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Topics
Vulnerabilities & Patching
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