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How to Use htmlspecialchars() to Prevent XSS Attacks body{font-family:Arial,sans-serif;line-height:1.6;margin:0;padding:20px;background:#f9f9f9;color:#333} h1,h2,h3{color:#2c3e50} code{background:#eef; padding:2px 4px;border-radius:3px} pre{background:#eef;padding:10px;overflow:auto;border-radius:4px} .
container{max-width:800px;margin:auto;background:#fff;padding:20px;box-shadow:0 0 10px rgba(0,0,0,0.1)} How to Use htmlspecialchars() to Prevent XSS Attacks Cross‑Site Scripting (XSS) is one of the most common security vulnerabilities on the web.
Fortunately, PHP provides a simple, built‑in function—htmlspecialchars()—that can neutralize malicious scripts before they reach a user’s browser. In this guide we’ll explore why XSS is dangerous, how htmlspecialchars() works, and the best practices for using it effectively.
What Is XSS and Why Does It Matter? XSS occurs when an attacker injects malicious HTML or JavaScript into a page that other..
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