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What does "XSS" mean in programming?
XSS is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
Cross-Site Scripting. An attack where an attacker injects malicious JavaScript into a web page viewed by other users. XSS can steal cookies, capture keystrokes, or redirect users. Prevented by escaping all user-supplied output.
Example
"Sanitize user input to prevent XSS attacks from injecting scripts into the page."
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