[ ~/archive/writeups ]

A collection of my security research, lab exploitation, and vulnerability analysis.

[ 2026-01-10 ]

Cross-Site Scripting Analysis

Web Security XSS DVWA

From injection to real impact. Explored Reflected, Stored, and DOM vulnerabilities, session exposure, and mitigations like CSP and HttpOnly cookies.

Read Write-up ->
[ 2026-02-08 ]

SQL Injection Analysis

Web Security SQLi DVWA

From Error-Based to Blind Exploitation. Analyzed vulnerability root causes and bypassed logic using Boolean, UNION-based, and Time-Based payloads.

Read Write-up ->
[ 2026-02-15 ]

THM: Biblioteca CTF

CTF SQLi PrivEsc

End-to-end compromise of a Linux machine. Exploited an authentication bypass via SQLi, performed lateral movement, and achieved root via Python library hijacking using sudo SETENV.

Read Write-up ->
[ 2026-02-20 ]

THM: Valenfind CTF NEW

CTF LFI Web

Exploited a Local File Inclusion (LFI) vulnerability discovered through exposed developer comments. Bypassed null-byte restrictions to extract the Flask source code, revealing a hardcoded Admin API key used to dump the SQLite database.

Read Write-up ->