Finding XSS Vulnerabilities - Manual and Automated Testing

Discovering XSS vulnerabilities before attackers do is essential for maintaining secure web applications. This requires a comprehensive testing approach that combines manual techniques with automated tools, understanding both the obvious and subtle ways XSS can manifest. Security professionals and developers must master various testing methodologies to effectively identify these vulnerabilities across different contexts and application architectures. This chapter provides practical guidance on finding XSS vulnerabilities through systematic testing approaches.