See What Strangers Can Reach in Your Published App
Reviewing how your app was built is useful, but the published version may expose forgotten pages, files, passwords, payment keys, access codes, or customer information.
before you start
Check the app that customers can visit, not only the project shown inside your AI builder.
Start with what a stranger can see
in plain words
Open the published app without your builder account so you can see the same version a stranger sees.
Your AI builder shows screens, settings, editing tools, and shortcuts that ordinary visitors never see. The published app is different: it is the version available at its internet address. A page can remain reachable there even when it does not appear in the menu. An old test version, a forgotten download, or a staff page may still open for anyone who knows or discovers its address. That is why checking only inside the builder can leave an important gap.
Begin with a private browser window and make sure you are signed out. Visit the home page, sign-in page, help pages, shared links, download areas, and any staff or settings pages you know about. Write down which ones open and what they show. Do not try to bypass protections or inspect someone else's app. You are simply checking your own published app through the same ordinary paths available to a visitor.
A review of the instructions used to build an app is helpful. Developers call this a code review. It can find unsafe choices before or after publication, but it cannot always prove what the running version currently exposes. Hosting settings, old copies, connected services, and publication mistakes can change the result. A second check from outside shows what actually answers when someone visits. The technical name is an external attack-surface scan. It checks the public app; it does not need to see your private code.
- ▸Use a private window so your existing sign-in does not hide a problem.
- ▸Record every known public address, including old and temporary versions.
common risk
You removed a test dashboard from the menu, but its old address still opens and displays sample customer names.
what to do now
Open every known app address while signed out and record what a stranger can see, download, or submit.
ask your AI
Help me check my published app as a signed-out visitor. Create a table of every known page, old version, test address, download area, staff page, and connected public service. For each item, state who should be able to open it, what information it should show, and whether I should keep it, require sign-in, or remove it. Use plain language and do not attempt to bypass any protection.
Find forgotten public doors
in plain words
Your app may have reachable pages and files that are not shown by its buttons or menus.
Visitors do not have to follow the menu. They can arrive through an old bookmark, a search result, a shared message, or an address saved during testing. Check setup pages, help pages, file folders, error screens, old versions, temporary previews, and links created for sharing. Also list other internet addresses connected to the app, such as a separate help site or booking page. Each public item should have a clear reason to exist.
The complete set of pages, files, addresses, and services reachable from the internet has a technical name: the external attack surface. A larger set is not automatically unsafe. A shop needs public product pages, and a booking app needs a public form. The goal is to remove doors nobody needs and protect doors intended only for customers or staff. Hiding a link from the menu is not protection because the address may still work.
An outside scan complements a manual review because it can rediscover things the builder or team forgot to list. VibeCodeWall checks the public app from the outside and can watch for important changes over time. It does not claim to inspect private project files. You still decide whether each discovered item belongs there, and your AI builder or developer can help make the required change.
- ▸Keep pages that customers genuinely need and give each one a clear purpose.
- ▸Disable unused tests and old versions instead of merely removing their menu links.
common risk
A setup page is absent from the home page, but anyone with an old saved address can still open it.
what to do now
Classify every discovered item as public for everyone, available after sign-in, staff only, or no longer needed.
ask your AI
Build a complete inventory of what this app may publish. Include pages, files, images, downloads, old versions, temporary previews, separate internet addresses, and connected services. Label each item as public, signed-in customers only, staff only, or remove. Explain the smallest safe change for every item that is unnecessary or available to the wrong group.
Check what each door gives away
in plain words
A page may belong in public while still showing customer information, internal notes, or powerful buttons that visitors do not need.
Open each public page and read it as a new visitor would. Look for customer names, email addresses, order details, internal notes, realistic sample records, staff instructions, and buttons meant for managing the business. Try ordinary actions with fictional information that belongs to you: submit a harmless test form, open a sharing link, request an empty search, or leave a required box blank. Never place real customer information into a test just to see what happens.
Pay attention to errors. A useful public message might say that something could not be completed and suggest trying again. It should not reveal internal file locations, staff-only addresses, or detailed system instructions. Keep detailed troubleshooting information in a place limited to the team. The public message should help the visitor without describing how the app is assembled.
Passwords, payment keys, and access codes that can reveal information or spend money must not be sent to a visitor's browser. They should be used only in the protected computer environment that runs the app. The technical name for keeping and using them there is server-side storage and processing. A project review may show that this arrangement was intended; the outside check helps confirm that the published app is behaving that way.
- ▸Remove real-looking sample records or replace them with clearly fictional examples.
- ▸Give visitors simple error messages while keeping technical details limited to the team.
common risk
A public form works normally, but an incomplete submission displays an internal staff address and part of a payment key.
what to do now
Test normal signed-out behavior on every public page and note every piece of information, file, message, and button it reveals.
ask your AI
Review this app for information that could reach a signed-out visitor's browser. Check for customer names, email addresses, order details, internal notes, staff links, detailed error messages, passwords, payment keys, and access codes. Replace exposed examples with fictional data, propose clear public error messages, and ensure passwords, payment keys, and access codes stay only in the protected computer environment that runs the app. Explain every proposed change in plain language.
Repeat the check whenever the app changes
in plain words
New features and settings can create new public doors, so one successful check is not enough.
A published app keeps changing. A new form, payment option, file upload, copied template, or AI-generated feature can add an address or alter what visitors receive. A harmless-looking update can also leave a temporary version online. After a meaningful change, compare the current public app with your approved inventory. Check it while signed out and note anything new, missing, or unexpectedly different.
Keep the routine small enough to repeat: record what you intended to change, publish it, inspect the public version, review any differences, and write down what you fixed. When an outside check is repeated and compared over time, the technical name is continuous monitoring. It helps you notice new public pages, changed files, and reopened old versions instead of relying on memory.
VibeCodeWall can watch the public app from the outside for important changes over time. It does not see private code, and an alert does not automatically mean the app is unsafe. Treat each change as a question: Was this expected? Who should reach it? What does it show? Should it remain? You or the person responsible for the app must review the answer and make the final decision.
- ▸Repeat the check after changes involving sign-in, payments, uploads, sharing, staff tools, or connected services.
- ▸Assign one person to review changes and keep a short record of decisions and fixes.
common risk
A new feature works as intended but also leaves a temporary public version online after testing ends.
what to do now
Add a signed-out outside check to your publishing routine and compare each result with the last approved inventory.
ask your AI
Create a repeatable safety checklist for publishing changes to this app. Include recording the intended change, checking the published app while signed out, comparing all public pages and files with the approved inventory, removing unused temporary versions, checking public error messages, and confirming that passwords, payment keys, access codes, and customer information are not exposed. Add a short record template for the date, change found, decision, owner, and fix.
Quick checklist
- 01Open the published app in a private browser window while signed out.
- 02List the main address, older addresses, test versions, and staff pages.
- 03Check which pages open without signing in.
- 04Look for forgotten downloads, sample records, and detailed error messages.
- 05Confirm that passwords, payment keys, and access codes do not reach a visitor's browser.
- 06Remove old test versions instead of only hiding their links.
- 07Repeat the outside check after every meaningful public change.
- 08Keep a simple record of what changed and what you fixed.
FAQ
Does this check read my private project files?
No. It checks what your published app makes reachable from the internet, much like an ordinary visitor. VibeCodeWall does not need to see your private code for this outside view.
Why do this if my project was already reviewed?
A project review checks how the app was built. An outside check confirms what the published version currently shows after hosting settings, old versions, and connected services are involved.
Should every page require sign-in?
No. Product pages, help pages, and booking forms may need to be public. Each public page should have a clear purpose and should not reveal customer information or staff-only tools.
When should I repeat the check?
Repeat it after meaningful changes, especially changes involving sign-in, payments, file uploads, sharing, new pages, staff tools, temporary versions, or connected services.