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Q1What is this vulnerability? (Essence + Consequences)
π¨ **SQL Injection in Online Job Portal** * **Essence**: The app fails to validate or escape parameters before using them in SQL queries. * **Consequences**: High impact!β¦
π‘οΈ **Root Cause: CWE-89** * **Flaw**: Improper Neutralization of Special Elements used in an SQL Command. * **Technical Detail**: Parameters are concatenated directly into SQL statements without sanitization. * **β¦
π **Hacker Capabilities** * **Data Access**: High Confidentiality impact. π Steal user data, credentials, job listings. * **Integrity**: High Impact. βοΈ Modify or delete records. * **Availability**: High Impact.β¦
π **Self-Check Methods** * **Manual Testing**: Inject `' OR 1=1 --` into input fields. Check for SQL errors. π§ͺ * **Scanning**: Use SQLMap or Burp Suite against the portal's input forms.β¦
π‘οΈ **Mitigation (No Patch)** * **Input Validation**: Strictly whitelist allowed characters in all inputs. β * **Parameterized Queries**: Refactor code to use Prepared Statements (PDO/PreparedStatement).β¦