| Название | SourceCodester Loan Management System 1.0 Business Logic Errors |
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| Описание | A business logic vulnerability exists in Loan Management System 1.0. The issue is located in the save_plan action of the file ajax.php. The application lacks server-side validation for the 'penalty_rate' POST parameter. An authenticated attacker can bypass client-side restrictions to submit negative values, resulting in the creation of loan plans with negative penalty rates and corrupting overdue payment calculations. |
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| Источник | ⚠️ https://github.com/meifukun/Web-Security-PoCs/blob/main/Loan-Management-System/BusinessLogic-LoanPlan-NegativePenalty.md |
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| Пользователь | Anonymous User |
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| Представление | 25.03.2026 03:11 (6 месяцы назад) |
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| Модерация | 08.04.2026 17:14 (15 days later) |
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| Статус | Дубликат |
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| Запись VulDB | 354672 [SourceCodester Loan Management System 1.0 Loan Plan penalty_rate] |
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| Баллы | 0 |
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