I will audit your web app for security vulnerabilities and fix them

Is your web app actually safe, or does it just seem fine because nothing has broken yet?

Most vulnerabilities do not show up until someone exploits them: a manipulated price at checkout, a forged JWT granting admin access, a stored XSS payload sitting quietly in a comment field. I find these before your users, or attackers, do.

What is included:

• Manual code review focused on real attack surfaces: auth, payment logic, file uploads, user input handling
• - Testing for price and parameter tampering, mass assignment, XSS, CSRF, JWT trust issues, IDOR, and injection
• - A written report: what I found, how it can be exploited, and exactly how to fix it
• - Optional: I fix the issues myself with regression tests, so the fix actually holds

Real examples of what I have caught and fixed:

• Checkout logic trusting client-sent prices (could buy anything for $0.01)
• - Admin panels gated only by a client-decoded JWT, bypassable by editing localStorage
• - A rich-text editor rendering raw HTML from user posts (stored XSS)
• - Signup endpoints saving every field from the request body (self-promote to admin)

I read your actual code and think like an attacker, not just run automated scanners.