| Titre | https://github.com/iJason-Liu/Books_Manager Books_Manager 1.0 File Upload |
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| Description | Vulnerability Introduction
The 1.0 version of Books_Manager’s upload_bookCover.php interface has an arbitrary file upload vulnerability, as its interface does not detect file suffixes. Attackers can upload any type of file, which may result in getshell and more serious consequences.
Vulnerability analysis
Vulnerability file：controllers/books_center/upload_bookCover.php
The backend logic does not validate the file type.
Validation of the upload type was performed only on the frontend，in administrator/books_center/add_book.php file
Vulnerability reproduction
use BurpSuite to change request
Find the path of webshell
https://lib.crayon.vip/upload/bookCover/1768292566_chuizi.php
Use tools to connect webshell |
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| La source | ⚠️ https://blog.y1fan.work/2026/01/13/%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0getshell/ |
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| Utilisateur | y1fan (UID 94467) |
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| Soumission | 13/01/2026 09:45 (il y a 9 mois) |
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| Modérer | 26/01/2026 15:58 (13 days later) |
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| Statut | Accepté |
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| Entrée VulDB | 342874 [iJason-Liu Books_Manager upload_bookCover.php book_cover élévation de privilèges] |
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| Points | 20 |
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