In the world of cybersecurity, few terms pop up as often—or stir as much concern—as “XSS.” Cross-Site Scripting vulnerabilities have existed for decades, yet they remain one of the most misunderstood and misused attack vectors on the web. If you’ve heard the term tossed around in hacker forums, cybersecurity courses, or YouTube tutorials and thought, “Okay, but what is XSS really? And why does i..