Cyber Risks · PortSwigger Research

Sensitive Discoverer

Summary: Sensitive Discoverer is a Burp Suite extension, authored by CYS4 and at version 4.2.0 as of 15 November 2024, that matches lists of regular expressions against all HTTP messages stored in Burp to find sensitive strings or file extensions. It ships with pre-defined regex sets for common needs and supports importing custom lists, and PortSwigger notes that extensions are written by third-party users and come with no warranty of quality or usefulness.

Why it matters: The tool that surfaces sensitive strings across captured traffic is a third-party extension PortSwigger explicitly does not vouch for, so the regex lists and the messages they run against are only as trustworthy as the party supplying them.

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Topics
Vulnerabilities & Patching
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