Books_Manager FileUpload
2026-01-13 00:00:00
# 漏洞
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
