Fundamentals of Secure Software - Cross-Site Scripting

The video tutorial explains cross site scripting (XSS), a security vulnerability in web applications that allows attackers to inject scripts into web pages. It covers two types of XSS attacks: reflected and persistent. Reflected XSS involves attackers creating a malicious URL to steal information, often using social engineering. Persistent XSS involves inserting a script into a website's database, affecting all users who view the page. The tutorial emphasizes the importance of input validation to prevent such attacks.

What is cross site scripting (XSS) and how does it affect web applications?

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What measures can be taken to prevent XSS vulnerabilities in web applications?

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Explain the difference between reflected and persistent XSS attacks.

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How do attackers typically exploit reflected XSS vulnerabilities?

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Describe the process by which a persistent XSS attack is executed.

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