| Titre | girishsaraf Online-Appointment-Booking-System f427b4757128ca253d33d0cc4e87bbb9c999a4d5 SQL Injection |
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| Description | The affected component is the root `cover.php` patient login handler. After checking that `uname` and `psw` are non-empty, it concatenates both POST values directly into the query:
```php
$username=$_POST['uname'];
$password=$_POST['psw'];
$query = mysqli_query($conn,"select * from patient where password='$password' AND username='$username'");
```
Because the credentials are embedded into the SQL string without escaping or prepared statements, an unauthenticated attacker can submit `nouser' OR '1'='1` as the username to make the WHERE clause always true. This bypasses authentication and grants a patient session (`$_SESSION['username']`, `$_SESSION['user']`), which can then be used to book or cancel appointments on behalf of the account.
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| La source | ⚠️ https://github.com/girishsaraf/Online-Appointment-Booking-System/issues/5 |
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| Utilisateur | zsh07 (UID 101257) |
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| Soumission | 15/09/2026 19:08 (il y a 20 jours) |
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| Modérer | 05/10/2026 12:27 (20 days later) |
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| Statut | Accepté |
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| Entrée VulDB | 413581 [girishsaraf Online-Appointment-Booking-System Patient Login cover.php mysqli_query uname/psw injection SQL] |
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| Points | 20 |
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