What is an XSS attack and how can you prevent one?

XSS (Cross-Site Scripting) is a cyberattack that enables hackers to inject malicious client-side scripts into web pages.

XSS can be used to hijack sessions and steal cookies, modify DOM, remote code execution, crash the server etc.

You can prevent XSS attacks by using the following practices:

  • Validate user inputs
  • Sanitize user inputs
  • Encode special characters
  • Use Anti-XSS services/tools
  • Use XSS  HTML Filter