webPromedium

Lab 116 — InsightForge — IDOR via Undocumented Internal API

hackadvisor

Task: analytics platform with React SPA, documented API properly enforces report ownership. Solution: discover undocumented /api/internal/reports/:id endpoint that bypasses authorization, enumerate sequential report IDs to access admin's confidential audit report containing the flag.

$ ls tags/ techniques/
idor_exploitationsequential_id_enumerationdecoy_flag_identificationjavascript_source_analysisundocumented_api_discovery

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