We built our store on top of Shopify — do we still need a code audit?

If you built a custom Shopify app, theme with significant custom logic, or a headless frontend that calls Shopify's APIs, then yes — the Shopify platform doesn't protect your custom code. We audit the custom code layer: your checkout extensions, webhook handlers, custom storefront logic, and any backend APIs your frontend calls.

What are the most common bugs you find in vibe-coded checkout flows?

The most common issues are: webhook handlers that don't validate Stripe signatures, order creation that doesn't wait for payment confirmation before fulfillment, inventory decrements that aren't atomic, and client-side cart totals that aren't re-validated on the server before charging. Any of these can let customers get products without paying or leave you with fraudulent orders.

Can you help us prepare for a high-traffic event like a product launch or flash sale?

Yes. Load and concurrency testing is part of our reliability review. We identify the query patterns, shared state, and synchronous operations most likely to fail under sudden traffic spikes, and give you a prioritized list of fixes before the event.

VibeAudits

E-commerce Code Audit

E-commerce Bugs Cost You Revenue on Every Order.

Security and reliability code audits for online stores, marketplaces, subscription commerce, and AI-powered retail tools built with Cursor, Claude, Lovable, Bolt, or any vibe-coding assistant.

E-commerce apps combine payment processing, inventory logic, user accounts, and shipping integrations into a single system where every bug has a direct revenue cost. Checkout failures, inventory race conditions, and coupon abuse are all common in AI-generated storefronts. We find them before your customers do.

60-minute strategy call · fixed-price quote within 24 hours · most audits start within the same week.

What Goes Wrong

The E-commerce Code Bugs We Find Most Often

These are not hypothetical risks. These are the patterns we find in real e-commerce & retail tech codebases built with AI coding tools — Cursor, Claude, Lovable, Bolt, Replit, and GitHub Copilot. Every item below is something we can find, report on, and help you fix.

Checkout and Payment Flow Failures

AI-generated checkout flows often have silent failures: orders that complete on the frontend but fail to charge, payments that succeed but don't update inventory, or webhook handlers that miss edge cases. We test every step of your purchase funnel under adversarial conditions.

Inventory Race Conditions

Two users buying the last item simultaneously, flash sale traffic overwhelming stock checks, and over-selling digital goods are all common in vibe-coded inventory systems. We audit your stock management for atomicity and concurrency safety.

Coupon, Discount, and Loyalty Abuse

Promo code systems, referral bonuses, and loyalty points are frequently exploitable in AI-generated e-commerce code. We test for stacking, replay, and timing attacks that let users extract value far beyond the intended discount.

Broken Order Management and Fulfillment Logic

Order state machines — placed, paid, fulfilled, refunded, disputed — are complex and error-prone when generated by AI. Missing state transition guards, double-fulfillment bugs, and silent refund failures all have direct financial impact.

Price Manipulation and Cart Tampering

If your cart or checkout trusts client-supplied prices, quantities, or discount amounts, attackers can manipulate them. We check every server-side validation point in your purchase flow for missing or bypassable controls.

Customer Data and PCI Exposure

Shipping addresses, order history, and payment method tokens need tight access control. We audit your customer data model for over-exposure in APIs, admin panels, and third-party integrations.

Our Review Covers

A Full Code Audit Tailored to E-commerce

Our e-commerce & retail tech code audit combines a general production-readiness review with e-commerce-specific security and compliance checks. You get a single prioritized report covering everything — not a generic scanner output.

Security vulnerabilities and authentication gaps

Access control and multi-tenancy isolation

E-commerce-specific compliance and regulatory controls

Payment, billing, and financial logic (where applicable)

AI feature risks: prompt injection, data leakage, cost controls

Architecture, scalability, and performance bottlenecks

Secrets, API keys, and environment configuration

Third-party integration security and data flow

Use Cases We Cover

E-commerce Apps We Audit

We work across the full range of e-commerce & retail tech products built with AI coding tools. If your app touches this space, we can audit it.

Direct-to-consumer storefronts and branded commerce

Multi-vendor marketplaces

Subscription and recurring commerce platforms

Digital goods and SaaS with e-commerce checkout

Flash sale and limited-release product platforms

B2B wholesale and procurement portals

AI-powered product recommendation and personalization

Headless commerce implementations

VibeAudits Services for E-commerce Teams

Whether you need a full security audit, help getting a stuck app to production, or coaching on the AI tools you're building with — we have a service for exactly where you are right now.

Code Audit

Most popular for pre-launch E-commerce apps

A full security, reliability, and architecture review of your e-commerce app. Delivered as a prioritized, fix-ready report within 3–10 business days.

Finish Line Service

For stuck vibe-coded apps

Your e-commerce app is 80% done and stuck. We take it the rest of the way — fixing bugs, hardening security, and getting it production-ready.

Vibe Coding Education

For non-technical founders

1-on-1 coaching to help e-commerce founders understand the code their AI tools generate — and build more confidently from the start.

What You Get at the End of a E-commerce Code Audit

A single, prioritized report — not a raw scanner dump. Every finding includes a severity rating, reproduction steps, and concrete guidance your team or AI tools can act on immediately.

Prioritized Security Findings

Every vulnerability and exposure in your e-commerce app, ranked by severity and business impact with fix-ready remediation steps.

E-commerce-Specific Compliance Gaps

A clear list of industry-specific compliance gaps in your code — mapped to specific lines and components.

Reliability and Edge Case Report

The billing bugs, race conditions, and flow failures that work fine in a demo but break in front of real customers — documented with reproduction steps.

Architecture and Performance Notes

The scalability bottlenecks, N+1 queries, and structural issues most likely to cause problems as your user base grows — with practical recommendations.

AI Feature Risk Assessment

If your app uses AI features, a dedicated section covers prompt injection vectors, cross-user data leakage, cost guard gaps, and unsafe tool execution.

Founder-Friendly Executive Summary

A plain-English summary you can share with co-founders, investors, or enterprise procurement teams — no security jargon required.

FAQ

E-commerce Code Audit: Frequently Asked Questions

Common questions from e-commerce & retail tech founders and technical teams before booking a code audit.

Code Audits for Other Industries

Ready to Audit Your E-commerce App?

Book a free 60-minute intro call. We review your repo, identify the highest-risk areas, and send a fixed-price quote within 24 hours. Most e-commerce & retail tech audits kick off within the same week.

NDA available before any code is shared · Security · Reliability · Architecture · Fixed-price engagements