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Created January 6, 2025 01:40
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book-shop-sqli-2.md

Online Book Shop Using PHP has SQL Injection vulnerability via $usernm paremeter in /process_login.php.

Project

https://code-projects.org/online-book-shop-using-php-source-code/

Vulnerability

/process_login.php - $usernm paremeter.

Description

The SQL Injection vulnerability exists in diretory /process_login.php where this function query the usernm parameter into the SQL statement without any restriction, validation or sanitization. An attacker could exploit this vulnerability to get unauthorized access to the server database, or even perform Remote Code Execution (RCE).

$unm=$_POST['usernm'];

$q="select * from user where u_unm='$unm'";

$res=mysqli_query($conn,$q) or die("wrong query");

$row=mysqli_fetch_assoc($res);

PoC

Enumerate all databases with sqlmap: image

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