dev.to· Sep 21, 2026· by ajay_rathod_5b4f7c326d196

ShowDev: I built 330+ free, 100% client-side developer tools so you can stop pasting sensitive data online

Open Original Article ↗
Be honest: How many times this week have you pasted a sensitive JSON payload, a JWT token, or an API...
🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass
💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.
#showdev#webdev#security#javascript

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