Web Security: Common Vulnerabilities And Their Mitigation - What is XSS?

The video tutorial explains cross-site scripting (XSS), a prevalent web security attack where malicious code is injected into trusted websites, allowing attackers to execute harmful JavaScript in users' browsers. It covers the role of JavaScript in web security, the same origin policy, and how XSS exploits this policy. The tutorial also discusses the potential impact of malicious JavaScript, including data theft and identity theft, and provides examples of XSS attacks such as cookie theft, key logging, and phishing.

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