Cyber Risks · PortSwigger Research

Burp v1.4 preview - Testing access controls using your browser

Summary: PortSwigger's Burp v1.4 preview adds features for testing access controls across multi-stage functions, letting testers open separate proxy history windows per proxy listener and reissue a selected request from within the browser's current session. The reissue feature works by having Burp return a redirection to the original request's URL, then replacing the outgoing request with the full original headers and body while leaving the Cookie header unmodified.

Key Takeaway: The post notes that applications may protect the initial form of an administrative function but fail to protect the page handling the form submission or the confirmation page - gaps that only surface when each step of a multi-stage process is tested individually in a different user context.

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Topics
Vulnerabilities & Patching
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