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The vulnerability exists within the `/index.php` file’s login component. The application fails to properly sanitize user input passed to the `txtUsername` parameter during authentication. An attacker can submit a specially crafted SQL payload within this parameter. This malicious input is then directly concatenated into an SQL query executed by the backend database without validation or prepared statements. By injecting SQL control characters like a single quote (') and commands such as UNION SELECT, an attacker can manipulate the original query’s logic. This allows for data extraction from the database, including administrative credentials and other sensitive information stored within the Supplier Management System’s tables. The attack can be performed remotely without any authentication.
Platform: Campcodes Supplier Management System
Version: 1.0
Vulnerability : SQL Injection
Severity: Medium
date: 11/23/2025
Prediction: 01/15/2026
What Undercode Say:
curl -X POST http://target/index.php -d "txtUsername=admin' OR '1'='1&txtPassword=any"
' UNION SELECT username, password FROM users--
How Exploit:
`txtUsername=admin’ UNION SELECT 1,version(),3–&txtPassword=1`
Protection from this CVE
Implement prepared statements with parameterized queries. Apply strict input validation on all login fields. Deploy a Web Application Firewall (WAF).
Impact:
Unauthorized Data Access, Credential Theft, System Compromise.
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Sources:
Reported By: nvd.nist.gov
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