| Title | SourceCodester Inventory-Management-System-PHP 1.0 Missing Authorization |
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| Description | An Insecure Direct Object Reference (IDOR) vulnerability exists in Product Inventory Management System by SourceCodester. The invoice page at /invoice.php accepts a user-supplied id parameter via GET request and returns invoice data without verifying whether the authenticated user has permission to access the requested resource. An authenticated low-privileged staff user can enumerate and access all invoices belonging to other users by incrementing the id parameter, exposing sensitive customer information including names, contact details, product details, and financial transaction amounts. |
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| Source | ⚠️ https://gist.github.com/fhewm98/079112d415afa63ed1368a798a352665 |
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| User | Mohammed Faheem (UID 100387) |
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| Submission | 08/05/2026 13:32 (1 month ago) |
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| Moderation | 09/13/2026 07:14 (1 month later) |
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| Status | Accepted |
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| VulDB entry | 403230 [SourceCodester Inventory Management System 1.0 invoice.php ID authorization] |
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| Points | 20 |
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