Common XSS Mistakes in FormBucket and How to Fix Them
FormBucket is convenient because it lets you collect form submissions without building a full backend. That convenience also creates a trap: teams treat it like a harmless inbox, then start rendering submission data in dashboards, emails, admin tools, thank-you pages, or internal review apps. That’s where XSS shows up. The problem usually isn’t FormBucket itself. The problem is what developers do with untrusted form data after it lands. If you accept name, message, company, or notes from a public form, assume every field is attacker-controlled HTML and JavaScript. If you forget that even once, you get stored XSS, reflected XSS, or DOM-based XSS depending on how you display it. ...