TL;DR Warning : ⚠️ NEW VERSION AVAILABLE AT : https://blog.trackflaw.com ⚠️ New article : https://blog.trackflaw.com I think you know what I am talking about. The “file upload” vulnerability is familiar for you ? Nice. So you know how it could be difficult to bypass protection to upload a webshell. I will show you a little technique to add to your test when you are trying to exploit file upload :)