CVE-2025-51968 is a SQL Injection vulnerability identified in the action.php file of the PuneethReddyHC Online Shopping System Advanced 1.0. The vulnerability arises because the application does not properly sanitize user-supplied input in the proId POST parameter. This improper input validation allows an attacker to inject arbitrary SQL expressions into the backend database query. SQL Injection (CWE-89) vulnerabilities enable attackers to manipulate database queries, potentially leading to unauthorized data access, data leakage, or modification of data. In this case, the vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity level. The vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N indicates that the attack can be performed remotely over the network without any privileges or user interaction, with low attack complexity. The impact affects confidentiality and integrity but not availability. No known exploits are currently reported in the wild, and no patches or fixes have been published yet. The affected version is PuneethReddyHC Online Shopping System Advanced 1.0, but no further version details are available. The vulnerability is typical of web applications that fail to sanitize input parameters used in SQL queries, making it a critical issue for e-commerce platforms that handle sensitive customer and transaction data.

For European organizations using the PuneethReddyHC Online Shopping System Advanced 1.0, this vulnerability poses a significant risk to the confidentiality and integrity of customer and transactional data. Attackers exploiting this SQL Injection flaw could extract sensitive information such as customer personal details, payment information, or order histories. They could also manipulate database records, potentially altering prices, orders, or inventory data, which could disrupt business operations and damage customer trust. Although availability is not directly impacted, the indirect effects of data manipulation or leakage could lead to regulatory penalties under GDPR due to unauthorized data exposure. The remote and unauthenticated nature of the exploit increases the risk of widespread attacks, especially if the system is exposed to the internet without additional protective controls. European e-commerce businesses relying on this software may face reputational damage, financial losses, and compliance issues if the vulnerability is exploited.

Given the absence of an official patch, European organizations should implement immediate compensating controls. First, apply strict input validation and sanitization on the proId POST parameter at the web application firewall (WAF) or reverse proxy level to block malicious SQL payloads. Employ parameterized queries or prepared statements in the application code to prevent SQL Injection if source code access is available. Restrict database user permissions to the minimum necessary to limit the impact of any injection attempts. Monitor web server and database logs for suspicious query patterns or repeated failed attempts targeting the proId parameter. Conduct thorough security testing, including automated vulnerability scanning and manual penetration testing, focusing on SQL Injection vectors. If possible, isolate the vulnerable system from direct internet exposure or restrict access to trusted IP ranges. Finally, maintain compliance with GDPR by ensuring prompt incident response and notification procedures in case of data breaches.