CVE-2025-11039 is a SQL Injection vulnerability identified in version 1.0 of the Campcodes Computer Sales and Inventory System, specifically within the /pages/us_edit1.php file. The vulnerability arises from improper sanitization or validation of the 'ID' parameter, which is susceptible to malicious input manipulation. This flaw allows an unauthenticated remote attacker to inject arbitrary SQL commands into the backend database query. Exploiting this vulnerability can lead to unauthorized data access, data modification, or potentially full compromise of the underlying database. The vulnerability does not require any user interaction or privileges, making it remotely exploitable over the network. The CVSS 4.0 score of 6.9 classifies it as a medium severity issue, reflecting the moderate impact on confidentiality, integrity, and availability, combined with ease of exploitation. Although no public exploit is currently known to be actively used in the wild, the disclosure of the exploit code increases the risk of exploitation by opportunistic attackers. The vulnerability affects only version 1.0 of the product, and no official patch or mitigation has been published yet. Given the nature of SQL Injection, attackers could leverage this flaw to extract sensitive sales and inventory data, manipulate records, or escalate attacks within the affected environment.

For European organizations using Campcodes Computer Sales and Inventory System 1.0, this vulnerability poses a significant risk to the confidentiality and integrity of sensitive business data, including sales transactions, inventory records, and potentially customer information. Exploitation could disrupt business operations by corrupting or deleting critical data, leading to financial losses and reputational damage. Additionally, unauthorized data disclosure could violate EU data protection regulations such as GDPR, resulting in legal and compliance consequences. The remote and unauthenticated nature of the vulnerability increases the attack surface, especially for organizations exposing the affected system to the internet or internal networks with insufficient segmentation. The lack of a patch means organizations must rely on compensating controls to mitigate risk until an official fix is available.

European organizations should immediately conduct a thorough inventory to identify any deployments of Campcodes Computer Sales and Inventory System version 1.0. Until a vendor patch is released, it is critical to implement strict input validation and sanitization at the web application firewall (WAF) or network perimeter to block malicious payloads targeting the 'ID' parameter in /pages/us_edit1.php. Employing parameterized queries or prepared statements within the application code is the definitive fix once source code access is possible. Network segmentation should be enforced to limit access to the vulnerable system only to trusted internal users. Monitoring and logging of database queries and web requests should be enhanced to detect suspicious activity indicative of SQL Injection attempts. Regular backups of the database should be maintained to enable recovery in case of data tampering. Organizations should also consider deploying runtime application self-protection (RASP) tools to detect and block injection attacks in real-time. Finally, engaging with the vendor for timely patch updates and applying them promptly once available is essential.