Uploaded December 2025 | Updated September 2026, 1 week ago

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Join the TryHackMe Advent of Cyber 2025 at tryhackme.com/beardeditdad-aoc

Today we’re breaking down XSS, one of the most misunderstood web vulnerabilities for beginners. If you’ve struggled to wrap your head around how Cross-Site Scripting actually works in the real world, this walkthrough will make everything easier.

We’ll cover:
• What XSS is and how it’s used in attacks
• The difference between reflected, stored, and DOM-based XSS
• How to think like an attacker when approaching web vulnerabilities
• A practical, beginner-friendly approach to today’s challenge

By the end of this video, you’ll understand the why behind XSS, not just the textbook definition.

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