TECHNICAL WRITEUPS & LABS

CTF Challenges & Security Labs

Walkthroughs and technical notes covering PortSwigger Web Security Academy, TryHackMe, PentesterLab, and CTF challenges.

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PortSwigger

2025-12-1416 min read

GraphQL API Vulnerability

# GraphQL API Vulnerability PortSwigger Challenge ### Overview về GraphQL GraphQL là một ngôn ngữ truy vấn cho API (Query Language for APIs) và cũng là mộ...

pentesting Web-Exploitation Web

PortSwigger

2025-12-1311 min read

PortSwigger CORS (Cross-Origin Resource Sharing) challenge WriteUp

# PortSwigger CORS (Cross-Origin Resource Sharing) challenge WriteUp ### Overview về CORS #### CORS là gì? Vì sao lại xuất hiện - CORS (Cross-Origin Reso...

pentesting Web-Exploitation Web

PortSwigger

2025-12-1124 min read

PortSwigger CSRF Challenge WriteUps

# PortSwigger CSRF Challenge WriteUp ### Giới thiệu về CSRF (Cross-Site Request Forgery) #### Lỗ hổng CSRF là gì : - Cross-Site Request Forgery hay còn...

pentesting Web-Exploitation Web