A01 (1) Authentication vulnerabilities (1) challenge (1) command injection (1) File upload (1) hackthebox (1) HTB (1) Insecure deserialization (1) Linux (2) OSCP (1) portswigger (1) PortSwigger Academy (2) rootme (1) Server-side template injection (1) SSRF (1) SSTI (1) Top 10 Owasp 2021 (1) TryHackMe (5) web (4) web-server (1)