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XSS Prevention

Simple Definition for Beginners: XSS prevention refers to the measures taken to protect web applications from cross-site scripting (XSS) attacks. These measures involve validating and sanitizing user input, encoding output, and implementing security headers to mitigate XSS vulnerabilities. Common Use Example: A website employs XSS prevention techniques such as input validation and output encoding to ensure that user-submitted content cannot be used to execute malicious scripts on the site. Technical Definition for Professionals: XSS prevention encompasses a range of techniques and best practices aimed at mitigating the risk of cross-site scripting attacks. Key aspects of XSS prevention include: · Input Validation: Validating and filtering user input to ensure that it does not contain malicious scripts or HTML tags. · Output Encoding: Encoding user-generated content before rendering it in web pages to prevent script execution. · Content Security Policy (CSP): Implementing CSP headers to control which sources of content are allowed to be executed on a web page. · Sanitization: Removing or neutralizing potentially harmful content from user input before processing or displaying it. · Client-Side Security: Using frameworks or libraries that automatically handle input validation and output encoding to reduce human error.

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