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π XSS Hunting Like a Pro: The Ultimate Guide to Finding Cross-Site Scripting Bugs π»π₯
π XSS Hunting Like a Pro: The Ultimate Guide to Finding Cross-Site Scripting Bugs π»π₯
Introduction: The Magic (and Danger) of XSS!
Imagine this: You visit a website, enter a small JavaScript snippet into a comment box, and suddenly β BOOM! β you execute code in someone elseβs browser. π± Thatβs the power (and risk) of Cross-Site Scripting (XSS), one of the most common web vulnerabilities that can lead to session hijacking, data theft, and full site defacement.
But hereβs the good news: If youβre a bug bounty hunter or ethical hacker, finding and reporting XSS vulnerabilities can earn you big rewards while keeping the internet safe. In this guide, weβll break down how to find, exploit, and prevent XSS like a pro β step by step! Letβs dive in. π₯
Step 1: Understanding Cross-Site Scripting (XSS) π΅οΈββοΈ
π‘ What is XSS?
Cross-Site Scripting (XSS) is a vulnerability that allows an attacker to inject malicious scripts into trusted websites, executing them in the browsers of unsuspecting users. This can lead to: