Input Validation and Logic · payload topic
Business Logic Errors
11 passages · 0 code blocks
Every mark is a titled passage of this topic's pages, in reading order; the brighter ones carry code. For testing systems you own or are authorised to test, and for defending them. Nothing here is run by this page.
Open Business Logic Errors on GitHubBusiness logic errors, also known as business logic flaws, are a type of application vulnerability that stems from the application's business logic, which is the part of the program that deals with real-world business rules and processes. These rules could include things like pricing models, transa…
Source: PayloadsAllTheThings. From PayloadsAllTheThings by Swissky and contributors. MIT License, Copyright (c) 2019 Swissky.
Every one of the 11 is a mark on the map. Named now: 1 to 11, reading order first.
- Business Logic Errors
- Methodology
- Review Feature Testing
- Discount Code Feature Testing
- Delivery Fee Manipulation
- Currency Arbitrage
- Premium Feature Exploitation
- Refund Feature Exploitation
- Cart/Wishlist Exploitation
- Thread Comment Testing
- Rounding Error
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Source: PayloadsAllTheThings by Swissky and contributors, MIT License. For authorised testing only.