CVE-2025-9794 is a SQL Injection vulnerability identified in Campcodes Computer Sales and Inventory System version 1.0. The flaw exists in the /pages/pos_transac.php script, specifically when handling the 'cash' or 'firstname' parameters during an 'add' action. An attacker can remotely manipulate these parameters without authentication or user interaction to inject malicious SQL code. This injection can lead to unauthorized data access, modification, or deletion within the backend database. The vulnerability is rated with a CVSS 4.0 score of 6.9 (medium severity), reflecting its network exploitability, lack of required privileges or user interaction, but limited impact on confidentiality, integrity, and availability (each rated low). Although no public exploits are currently known in the wild, the exploit code has been published, increasing the risk of exploitation. The vulnerability may also affect other parameters, indicating a broader input validation issue in the affected script. Since the system manages sales and inventory data, successful exploitation could compromise sensitive business information, financial records, and inventory data integrity.

For European organizations using Campcodes Computer Sales and Inventory System 1.0, this vulnerability poses a significant risk to the confidentiality and integrity of critical business data. Attackers exploiting this flaw could extract sensitive customer and financial data, manipulate inventory records, or disrupt sales transactions. This could lead to financial losses, reputational damage, and regulatory compliance issues under GDPR due to unauthorized data exposure. Additionally, tampering with inventory data could affect supply chain operations and business continuity. Given the remote exploitability and absence of authentication requirements, attackers can operate from anywhere, increasing the threat surface. Organizations relying on this software for point-of-sale or inventory management should consider the potential operational disruptions and data breaches that could arise from exploitation.

To mitigate this vulnerability, organizations should first seek an official patch or update from Campcodes addressing CVE-2025-9794. In the absence of a patch, immediate measures include implementing web application firewalls (WAFs) with rules to detect and block SQL injection attempts targeting the affected parameters. Input validation and sanitization should be enforced at the application level, ensuring that user-supplied data is properly escaped or parameterized before database queries. Restrict database user permissions to the minimum necessary to limit the impact of a successful injection. Conduct thorough code reviews and penetration testing focusing on the /pages/pos_transac.php endpoint and related parameters to identify and remediate similar injection points. Monitoring logs for unusual query patterns or errors can help detect exploitation attempts early. Finally, consider isolating or replacing the vulnerable system if remediation is delayed, especially in environments handling sensitive data.