Understanding and Preventing XSS Attacks in JavaScript Applications
One malicious string in the wrong text box, and an attacker is running code inside your users’ browsers, on your domain,
One malicious string in the wrong text box, and an attacker is running code inside your users’ browsers, on your domain,
You add one small library to save an afternoon. It pulls in twelve more you never read. Six months later a
You ship a Content Security Policy, see the header show up in DevTools, and feel safe. That feeling is the trap.
If you have ever inherited an old PHP codebase, you have probably met magic_quotes_gpc. It was PHP’s attempt to keep you
One unescaped string is all it takes. A comment box, a search field, a URL parameter, someone drops a <script> tag