» About | 20kilograma

• 19/yo from Germany
• Bug Bounty Hunter
• Web Dev
• Web Security Engineer
• CTF Player
• Sports/Videogames enjoyer

» Blogs/Write-ups and Research

> OOP in JavaScript & some differences from the other languages

> PHP (detailed 2024) - its security, vulnerable code examples & improvement

> Nullcon-CTF [2023] Web Challenges Writeup

» CVEs

> CVE-2025-31386

> CVE-2024-13518