domains / families / security / testing-for-xss-vulnerabilities

testing-for-xss-vulnerabilities

separate

Tests web applications for reflected, stored, and DOM-based Cross-Site

When to use

• Testing web applications for client-side injection vulnerabilities as part of OWASP WSTG testing
• Evaluating the effectiveness of input sanitization and output encoding across all application features
• Assessing the protection provided by Content Security Policy (CSP) headers against XSS exploitation
• Demonstrating the impact of XSS through session hijacking, credential theft, or phishing overlay to stakeholders
• Testing single-page applications (React, Angular, Vue) for DOM-based XSS in client-side routing and rendering

When not to use

• Applications without written authorization
• Deploying persistent XSS payloads affecting real users
• Exfiltrating actual user session tokens from production

Skill page

Source