Is your Base44 app actually secure?
Base44 lets you build an app without writing much code, which means the security details are even further out of sight than usual. When you connect a payment provider, an email service, or an external database, it is easy for a key to end up somewhere public. This page explains what to check and scans your live app now.
Scan your Base44 app
What it means
A password-like key that is supposed to stay private is sitting in your app where other people can find it. Anyone who copies it can act as you — run up bills, read your data, or send email in your name.
Why AI tools cause it
AI coding tools often paste an API key straight into a file to make something work, instead of hiding it in a private environment variable. It runs fine, so nothing warns you.
How xlogs checks it
xlogs scans your live JavaScript against 9 key formats covering Stripe, OpenAI, Anthropic, AWS, Google, GitHub, Slack, private key blocks, and Supabase service_role tokens.
What breaks most often on Base44 apps
The issue we see most on Base44 apps is an exposed secret key, usually from connecting an outside service. Behind that are missing security headers and, when the app connects to an external database, tables that can be read without a login.
You cannot spot these by using the app. The scan below checks the live app the way an outsider would, and flags only what has real evidence behind it.
The top Base44 security issues to check
- An API key or service key exposed in the client bundle
- Missing security headers (CSP, HSTS, X-Frame-Options)
- A connected database that returns private rows to anonymous requests
- Private files served from the live site
How to fix it
The goal: The key is stored only in a server-side secret / environment variable, never in code or the client bundle, and the exposed value has been rotated (regenerated) because the old one is public.
- Move the key's value into a server-only environment variable
- Remove the literal value from the code and any client-side bundle (the affected spot)
- Make sure the .env file is in .gitignore
- Rotate (regenerate) the key at the provider — assume the old one is compromised
In my app (the spot the scan shows): a secret key is exposed. Please make this true: The key is stored only in a server-side secret / environment variable, never in code or the client bundle, and the exposed value has been rotated (regenerated) because the old one is public. Steps: Move the key's value into a server-only environment variable; Remove the literal value from the code and any client-side bundle (the spot the scan shows); Make sure the .env file is in .gitignore; Rotate (regenerate) the key at the provider — assume the old one is compromised. Then tell me exactly what you changed, and do not print any secret values back to me.
Then verify: After you deploy the fix, xlogs re-scans your live app and your files and confirms the key is no longer present.
Full step-by-step fix guide, with a copy-paste block for each AI tool →
Common questions
Does Base44 keep my app secure?
Not by itself. Base44 runs your app, but the moment you connect an outside service or database, the security of that connection is on you. A key can end up in the browser, or a connected database can be left readable. The scan checks the live app for both.
How do I check my Base44 app for exposed keys?
Paste your live Base44 URL into the scanner above. It reads the code your app ships and matches it against known key formats. It flags secret keys, not public ones that are designed to ship.