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business-logic-flaws

Detect and exploit business logic flaws in web application workflows.

6|1|Updated Mar 9, 2026
Search Tags:#vulnerability#race condition#exploitation#web security#business logic#workflow bypass
One-click install
npx skills add https://github.com/securityfortech/hacking-skills --skill business-logic-flaws
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: business-logic-flaws
Source: https://github.com/securityfortech/hacking-skills/tree/main/skills/web/logic/business-logic-flaws
Command: npx skills add https://github.com/securityfortech/hacking-skills --skill business-logic-flaws

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps identify and exploit vulnerabilities where application features are used in unintended ways, leading to security breaches and financial losses.

Core Features & Use Cases

  • Identify Flaws: Detect vulnerabilities like price manipulation, workflow step-skipping, coupon reuse, race conditions, and request forging.
  • Exploit Vulnerabilities: Leverage these flaws to gain unauthorized access, manipulate data, or bypass security controls.
  • Use Case: An e-commerce site allows users to apply a one-time discount coupon. This Skill can test if the coupon can be applied multiple times by sending concurrent requests, potentially leading to a significant discount.

Quick Start

Use the business-logic-flaws skill to test for coupon reuse by sending 20 simultaneous requests to apply the coupon 'SUMMER20'.

Frequently Asked Questions about business-logic-flaws

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect business logic flaws in web applications?▼

Detect business logic flaws by analyzing application workflows and data validation to uncover unintended feature usage like price manipulation, coupon reuse, race conditions, and workflow circumvention.

What is a race condition vulnerability in e-commerce workflows?▼

A race condition vulnerability occurs when concurrent HTTP requests exploit timing flaws, such as applying a one-time discount coupon multiple times simultaneously to gain unauthorized financial discounts.

How to test coupon reuse by sending concurrent HTTP requests?▼

Test coupon reuse by intercepting HTTP requests with Burp Suite or OWASP ZAP and sending multiple simultaneous requests to check if the application validates concurrent coupon applications properly.

Do I need Burp Suite or OWASP ZAP to exploit workflow bypass vulnerabilities?▼

Yes, exploiting workflow bypass vulnerabilities requires tools like Burp Suite or OWASP ZAP to intercept and manipulate HTTP requests during application workflow analysis.

Can price manipulation vulnerabilities be exploited without accessing source code?▼

Price manipulation vulnerabilities can be exploited by intercepting and manipulating HTTP requests through Burp Suite or OWASP ZAP without requiring direct access to the application source code.

What are the limitations of detecting business logic vulnerabilities through HTTP interception?▼

Detecting business logic vulnerabilities through HTTP interception requires manual workflow analysis and cannot identify server-side validation flaws hidden behind complex application logic or encrypted API endpoints.

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