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Lỗ hổng File Upload là gì và các biện pháp phòng chống (File Upload Vulnerability)? · ORA·tech

Trung bình Pro#owasp#file-upload#secure-coding

Lỗ hổng File Upload là gì và các biện pháp phòng chống (File Upload Vulnerability)?

15 tháng 2, 2026

Tóm tắt nhanh

Lỗ hổng File Upload xảy ra khi ứng dụng cho phép người dùng tải lên file độc hại (như web shell, mã độc) và thực thi chúng trên máy chủ. Để phòng chống triệt để, cần áp dụng chiến lược phòng thủ chiều sâu: kiểm tra Magic Bytes, đổi tên file ngẫu nhiên, lưu ngoài thư mục webroot và tắt quyền thực thi.

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