This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. Output Encoding Output Encoding Output Encoding Output Encoding Output Encoding Output Encoding Output Encoding Output Encoding Output Encoding Output Encoding: Cross-Site Scripting (XSS) Prevention Guide Output encoding is the strongest defense against Cross-Site Scripting (XSS). It transforms untrusted data into a safe representation before inserting it into an HTML page. When done correctly for each output context, it neutralizes even sophisticated injection attacks. Why Encoding Matters XSS happens when user-controlled data is inserted into a web page without proper encoding. An attacker who submits ` as their username expects the browser to execute that script. Output encoding converts < to < and > to >`, rendering the attack inert — the browser displays the text literally instead of executing it. Encoding must be context-aware.…