business-logic-vuln
Entry P1 category router for business logic testing. Use when workflow abuse, race conditions, pricing flaws, or multi-step state attacks matter more than parser-level input injection.
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- Repository
- Kur1sulab/blackbox
- Last source activity
- August 12, 2026 at 15:17
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- English
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- business-logic-vuln
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- Entry P1 category router for business logic testing. Use when workflow abuse, race conditions, pricing flaws, or multi-step state attacks matter more than parser-level input injection.
# Business Logic Router
This is the routing entry point for business-logic and state-machine issues.
## When to Use
- The target involves coupons, inventory, payment, approvals, quotas, invites, trials, or state transitions
- The issue is not parser-level; it is about when checks happen and which business conditions are checked
- You suspect race conditions, workflow bypass, price tampering, negative values, stacked discounts, or multi-step flaws
## Skill Map
- [Business Logic Vulnerabilities](../hack-business-logic-vulnerabilities/SKILL.md)
## Recommended Flow
1. First map key business states and one-time actions
2. Then check for check-then-act windows, sequence dependencies, or missing cross-step authorization
3. If the chain depends on APIs, uploads, or object permissions, return to the corresponding router skill to complete the path
## Related Categories
- [api-sec](../hack-api-sec/SKILL.md)
- [auth-sec](../hack-auth-sec/SKILL.md)
- [file-access-vuln](../hack-file-access-vuln/SKILL.md)
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