Qualys Blog

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Path Fuzzing Challenges

Web application scanners often struggle to scan applications that incorporate parameters into their URL paths, specifically web apps that use URL-rewrite techniques or web apps with REST APIs that take URL parameters. One key approach is to fuzz the application’s URL parameter inputs in order to identify possible injection points for malicious code. But without knowledge of the URL structure, it’s difficult for scanners to fuzz those parameters efficiently and with full coverage, which is required for an effective scan.

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