| 제목 | itsmeravitejak Online-Examination-System e6208e630b14657999bbfe4c9912302d2a1e2449 SQL Injection |
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| 설명 | The affected component is `exammanger.php`, a small AJAX endpoint that loads the topic list for the exam settings form. It includes only `include/database.php` (no session or login check) and passes the POST parameter `subject` straight into `MySQLDB::topicslist()`:
```php
$database->topicslist($_POST['subject']);
...
$where="where sub_id=".$subid;
$res=$this->query("select top_id,top_title from ".TBL_TOPICS." ".$where);
```
The `subject` value is a numeric string concatenated into the query without quotes, escaping or validation, and the endpoint requires no authentication. A UNION-based payload such as `subject=0 UNION SELECT 1,concat(username,0x3a,password,0x3a,userlevel) FROM users` makes the application print the `users` table (username, MD5 password hash, user level) into the returned `<option>` elements, i.e. unauthenticated in-band extraction of arbitrary database content.
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| 원천 | ⚠️ https://github.com/itsmeravitejak/Online-Examination-System/issues/7 |
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| 사용자 | PrivacyFirst (UID 101731) |
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| 제출 | 2026. 09. 29. PM 01:17 (19 날 ago) |
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| 모더레이션 | 2026. 10. 17. AM 11:35 (18 days later) |
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| 상태 | 수락 |
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| VulDB 항목 | 421585 [itsmeravitejak Online-Examination-System 까지 e6208e630b14657999bbfe4c9912302d2a1e2449 AJAX Endpoint exammanger.php MySQLDB::topicslist subject SQL 주입] |
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| 포인트들 | 20 |
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