NERDY Blog

a simple whitehat blog for hackers


File Upload Validation Bypass: From Reconnaissance to Privilege Escalation

A structured walkthrough of an authorized Vulnversity lab assessment, focusing on upload validation, evidence collection, and post-compromise privilege enumeration.

4 min read   ·   2026

a distill-style blog post

an example of a distill-style blog post and main elements

25 min read   ·   2021

a post with code

an example of a blog post with some code

4 min read   ·   2015