| 标题 | SourceCodester POS Inventory System 1.0 SQL Injection + Unrestricted File Upload |
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| 描述 | A combined SQL Injection and Unrestricted File Upload vulnerability was discovered in the product management functionality of POS Inventory System Using PHP version 1.0.
SQL Injection: Parameters are directly concatenated into INSERT and UPDATE queries without sanitization:
mysqli_query($conn, "insert into product (product_name, categoryid, product_price, product_qty, photo, supplierid)
values ('$name','$category','$price','$qty','$location','$supplier')");
File Upload: The application only validates the file extension string, which can be bypassed using double extensions or uppercase extensions:
if ($fileInfo['extension'] == "jpg" OR $fileInfo['extension'] == "png") {
$newFilename = $fileInfo['filename'] . "_" . time() . "." . $fileInfo['extension'];
move_uploaded_file($_FILES["image"]["tmp_name"], "../upload/" . $newFilename);
This allows an attacker to upload a PHP webshell and execute arbitrary commands on the server. |
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| 来源 | ⚠️ https://gist.github.com/c4ttr4ck/dd5c36ac4317232be183b7b90139d064 |
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| 用户 | c4ttr4ck (UID 75518) |
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| 提交 | 2026-04-26 23時31分 (1 月前) |
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| 管理 | 2026-05-24 09時45分 (27 days later) |
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| 状态 | 已接受 |
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| VulDB条目 | 365426 [SourceCodester Simple POS and Inventory System 1.0 File Extension /admin/addproduct.php image 权限提升] |
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| 积分 | 20 |
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