From this webpage screenshot, the following key information about the vulnerability can be obtained: 1. **Vulnerability Description**: - **Title**: SQL injection vulnerability in SourceCodester Kortex Lite Advocate Office Management System 1.0. - **Explanation**: SQL injection errors occur when data enters a program from an untrusted source and is used to dynamically construct a SQL query. 2. **Target Code Source**: - **URL**: https://www.sourcecodester.com/php/17280/advocate-office-management-system-free-download.html 3. **Abstract**: - SQL Injection vulnerability in Kortex Lite Advocate Office Management System v.1.0 allows an attacker to execute arbitrary code via a crafted payload to the `case_register_id` parameter in the `delete_register.php` component. 4. **Detailed Information**: - In this case, data is passed to `query()` in `delete_register.php` at line 8. 5. **Code Example**: ```php if(isset($_GET['case_register_id'])){ $case_register_id = $_GET['case_register_id']; $sql = "delete from case_register where id = $case_register_id"; $result = $conn->query($sql); if($result == true){ // echo "record deleted successfully"; // header("location:view_case.php"); } } ``` 6. **Vulnerability Verification**: - The vulnerability in the `case_register_id` parameter was verified using the sqlmap tool. 7. **Exploitation**: - The vulnerability in the `case_register_id` parameter was successfully exploited using sqlmap, enabling an SQL injection attack. This information provides a detailed description of the SQL injection vulnerability, including its principle, target code, exploitation method, and verification process.