Cyber Risks · PortSwigger Research

Similar Request Excluder

Summary: Similar Request Excluder is a Burp Suite extension, authored by Tijme Gommers and last updated 20 June 2018, that automatically reduces the scope of an active scan by excluding HTTP responses with the same HTML structure, on the reasoning that similar responses likely share the same code flow and vulnerabilities. Since version 1.1.0 the extension is fully automated, and the listing warns that some users have reported high memory and CPU usage when running it on large audits.

Bottom line: The tool's core assumption is that identical HTML structure means identical vulnerabilities, so anything that varies only in structure drops out of the scan - and the extension itself carries a reported cost of high memory and CPU usage on large audits.

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Topics
Vulnerabilities & Patching
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