itsourcecode Online Cellphone System V1.0 "/cp/available.php" SQL Injection Vulnerability Vulnerability Overview Vulnerability Type: SQL Injection Affected File: Vulnerable Parameter: (multipart/form-data POST parameter) Version: V1.0 Exploitation Conditions: No login or authorization required Impact Scope Product: Online Cellphone System Vendor: itsourcecode Risk: Attackers can exploit this vulnerability to achieve unauthorized database access, sensitive data leakage, data tampering, complete system control, and service disruption POC Code Boolean-based Blind Error-based Time-based Blind Remediation Solutions 1. Use Prepared Statements and Parameter Binding: Separate SQL code from user input data; user input values are treated as pure data and will not be interpreted as SQL code 2. Input Validation and Filtering: Strictly validate and filter user input data to ensure it conforms to expected formats 3. Minimize Database User Privileges: Ensure that database connection accounts have only the necessary minimum privileges; avoid using high-privilege accounts such as root or admin for routine operations 4. Regular Security Audits: Conduct regular code and system security audits to promptly identify and remediate potential security vulnerabilities