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How to deliver reflected XSS via HTTP request smuggling vulnerability! 👇 Try this Practitioner lab now:

Web Security Academy

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60,411 次观看 • 3 个月前 •via X (Twitter)

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5 条评论

Shreyas 的头像

Shreyas3 个月前

it was hard until i checked the community solution😅

Mohamed Jasser Toubib 🇹🇳 的头像

Mohamed Jasser Toubib 🇹🇳3 个月前

Isn't this sorted? Also how we can exploit this in real life? It's more self-xss than rxss

Dc nigma 的头像

Dc nigma3 个月前

I need to do more burp 😋

lennox 的头像

lennox3 个月前

@readwise save

blank_ 的头像

blank_3 个月前

Exactly what we are doing here ??

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HTTP Request Smuggling Lab Walkthrough: Confirming a CL.TE vulnerability via differential responses. How to identify CLTE Vulnerabilities: 1. Send request to repeater 2. Downgrade protocol to HTTP/1.1 3. Disable "Update Content-Length" 4. Set Content-Length to 6 5. Add "Transfer-Encoding: chunked" heading 6. Send a chunk with an invalid chunk size If the backend times out, this indicates a potential CLTE vulnerability. Confirm the vulnerability with differential responses: 7. Create and send the attack request: - Replace previous chunk with a terminating chunk. - Add a smuggled request after the chunked body. - Append X-ignore: X (without a newline) and send. 8. Send a normal request to repeater, downgrade to HTTP/1.1 and send immediately after the attack request. If the response to the normal request is 404 instead of 200, the backend was poisoned! 🤮 Well done! To learn more about HTTP Request Smuggling and take on this lab yourself, head over the the Web Security Academy now #requestsmuggling #pentesting #bugbounty #hacking #cybersecurity

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