Cross-Site Scripting (XSS) is a security vulnerability that allows an attacker to inject malicious scripts into web pages viewed by users, which can lead to unauthorized actions and data theft. This type of vulnerability connects to secure software development practices by highlighting the importance of input validation and output encoding throughout the software lifecycle. Understanding XSS is crucial for ensuring secure coding practices, addressing architectural challenges in web applications, and mitigating risks associated with common vulnerabilities outlined by security frameworks.
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