| Título | imvks786 student_management_system 1.0 SQL Injection |
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| Descripción | The administrator login endpoint constructs an SQL query by directly embedding the user‑supplied `a_usr` (username) and `a_pwd` (password) without any sanitisation or parameterisation:
```php
$a_usr = $_POST['a_usr'];
$a_pwd = $_POST['a_pwd'];
$ret = mysqli_query($con, "SELECT * FROM admin WHERE userid='$a_usr' AND password='$a_pwd' ");
```
Because no input validation or query parameterisation is applied, an attacker can inject a boolean‑based payload into the username field. The payload admin' OR '1'='1 transforms the query into one that always returns at least one row, completely bypassing the password check. The server then sets a session and redirects to the admin dashboard, granting full administrative access. |
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| Fuente | ⚠️ https://github.com/imvks786/student_management_system/issues/2 |
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| Usuario | Yeliuyun (UID 94203) |
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| Sumisión | 2026-05-25 06:00 (hace 15 días) |
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| Moderación | 2026-06-07 21:53 (14 days later) |
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| Estado | Aceptado |
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| Entrada de VulDB | 369148 [imvks786 student_management_system hasta 9599b560ad3c3b83e75d328b76bedcd489ef1f46 Administrator Login Endpoint admin/admin_login.php a_usr/a_pwd inyección SQL] |
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| Puntos | 20 |
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