---
title: "#businesslogic articles | Hashnode"
description: "Explore 3 articles tagged #businesslogic on Hashnode. Tutorials, guides, and how-tos from the community."
url: "https://hashnode.com/tag/businesslogic"
---

Tag

# #businesslogic

3 posts · 0 followers

[amin Ouji](https://hashnode.com/@amin182) · [Sep 14, 2025](https://hashnode.com/posts/how-i-bypassed-a-client-side-limit-and-earned-a-bounty/68c71cdede45026f54f70c66)

### [How I Bypassed a Client-Side Limit and Earned a $$$$ Bounty](https://hunteramine.hashnode.dev/how-i-bypassed-a-client-side-limit-and-earned-a-bounty?utm_source=hashnode&utm_medium=feed)

Introduction Hello everyone! Today, I’m sharing a story about a business logic vulnerability I found in the checkout flow of a major professional networking platform (let’s call it “example.com” to comply with disclosure rules). This bug allowed me t...

3 min read · [hunteramine.hashnode.dev](https://hunteramine.hashnode.dev/how-i-bypassed-a-client-side-limit-and-earned-a-bounty?utm_source=hashnode&utm_medium=feed)

[Sajan Ghimire](https://hashnode.com/@SajanGhimire) · [Mar 21, 2025](https://hashnode.com/posts/2fa-broken-logic/67dd07a0556dbf331890b563)

### [2FA broken logic](https://sajanghimire.hashnode.dev/2fa-broken-logic?utm_source=hashnode&utm_medium=feed)

his lab's two-factor authentication is vulnerable due to its flawed logic

4 min read · [sajanghimire.hashnode.dev](https://sajanghimire.hashnode.dev/2fa-broken-logic?utm_source=hashnode&utm_medium=feed)

[Sajan Ghimire](https://hashnode.com/@SajanGhimire) · [Mar 20, 2025](https://hashnode.com/posts/exploiting-business-logic-bypassing-client-side-controls-to-manipulate-pricing/67dbd3656211879dc7f64514)

### [Exploiting Business Logic: Bypassing Client-Side Controls to Manipulate Pricing](https://sajanghimire.hashnode.dev/exploiting-business-logic-bypassing-client-side-controls-to-manipulate-pricing?utm_source=hashnode&utm_medium=feed)

Understanding how excessive trust in client-side validation can lead to business logic vulnerabilities and financial exploitation.

3 min read · [sajanghimire.hashnode.dev](https://sajanghimire.hashnode.dev/exploiting-business-logic-bypassing-client-side-controls-to-manipulate-pricing?utm_source=hashnode&utm_medium=feed)