| Title | Abdurrab5 (Github) Online Makeup Store 1.0 Unauthenticated SQL Injection (Authentication Bypass) |
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| Description | The admin login handler in index.php concatenates the id and password POST parameters directly into a SQL query, with no prepared statement, escaping, or validation:
$aid=$_POST['id'];
$password=$_POST['password'];
$query="SELECT * FROM admin WHERE id='$aid' and password='$password' ";
$result= mysqli_query($link, $query);
if(mysqli_num_rows($result)){
// ... login succeeds, $_SESSION['adminid'] is set
}
The id parameter is injectable. An attacker can supply ' OR '1'='1' -- to make the WHERE clause always true and comment out the password check, authenticating as an administrator without any credentials. Passwords are stored in plaintext, and the handler also reflects raw mysqli_error() output on failure (information exposure / error-based SQLi). |
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| Source | ⚠️ https://github.com/yashkeral/cve-writeups/blob/main/online-makeup-store/01-admin-login-sqli.md |
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| User | Yashkumar Keral (UID 99903) |
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| Submission | 07/21/2026 20:17 (2 months ago) |
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| Moderation | 09/23/2026 15:47 (2 months later) |
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| Status | Accepted |
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| VulDB entry | 408967 [Abdurrab5 online-makeup-store Admin Login index.php id/password sql injection] |
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| Points | 20 |
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