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Web Cache Poisoning X-Forwarded-Host

Simon | Last updated: Apr 12, 2020 09:00PM UTC

Hi, I am attempting the "Web cache poisoning with an unkeyed header" lab. I am not receiving a response in the Repeater when I add the X-Forwarded-Host (example.com). However, I receive a response as normal with or without the cache buster. I have repeatedly read all the Port Swigger "Support" material and reconfigured my browsers. However, I cannot seem to put my finger on what the issue could be. Could I have misconfigured something? Thank you.

Muhammad | Last updated: Aug 21, 2020 03:19PM UTC

Yes, I am facing the same problem.

Michelle, PortSwigger Agent | Last updated: Aug 24, 2020 08:35AM UTC

Hi Are you getting no response at all to your request sent via Repeater or do you get a request that always says 'miss'?

Matabufalez | Last updated: Nov 15, 2020 02:52PM UTC

I guess this is old but I'm facing the same problem. Same with the "Web cache poisoning with multiple headers" lab. I just get no response at all. Not even a "miss".

Ben, PortSwigger Agent | Last updated: Nov 16, 2020 10:37AM UTC

Hi, Have you checked out the video solution for this lab, made by one of our users, to see if you are on the right track: https://www.youtube.com/watch?v=cbp7M1Mj5ts

Lara | Last updated: Jun 23, 2022 06:39AM UTC

Hi! Same issue: whenever I try to add any X-Forwarded-... header to a request, a blank response is returned after a long waiting time.

Ben, PortSwigger Agent | Last updated: Jun 23, 2022 07:05AM UTC