xss

Cross site scripting defense with output encoding and CSP

XSS defense works best in layers: correct output encoding, sanitization for trusted rich text only, and a restrictive Content-Security-Policy. I avoid storing untrusted HTML unless there is a strong product reason. When rich content is required, I san

Front-end security - XSS and CSRF prevention

Front-end security protects users from malicious attacks. I prevent Cross-Site Scripting (XSS) by sanitizing user input and using textContent instead of innerHTML. Content Security Policy (CSP) headers restrict resource loading to trusted sources. Cro