Definition (developer‑friendly) Cross‑site scripting (XSS) is a client‑side injection flaw where untrusted input is rendered in the browser without proper contextual output encoding or policy controls, allowing attacker‑supplied scripts to execute in a victim’s session. That execution can hijack sessions, alter DOM, exfiltrate data, or pivot to additional attacks.   How XSS works (and why … Continue reading Cross-Site Scripting (XSS) Attacks: Types, Examples & Prevention