CVE-2026-1594 identifies a SQL injection vulnerability in the itsourcecode Society Management System version 1.0, specifically within the /admin/add_expenses.php script. The vulnerability is triggered by manipulation of the 'detail' parameter, which is not properly sanitized before being used in SQL queries. This allows an unauthenticated remote attacker to inject arbitrary SQL commands, potentially enabling unauthorized data access, modification, or deletion within the backend database. The CVSS 4.0 score is 6.9 (medium severity), reflecting the vulnerability's network attack vector, low complexity, no required privileges or user interaction, but limited impact on confidentiality, integrity, and availability (each rated low). The vulnerability is publicly disclosed but no active exploitation has been reported yet. The lack of authentication and user interaction requirements makes exploitation straightforward if the system is exposed to untrusted networks. The affected product is a society management system, likely used by community organizations or housing societies to manage expenses and related data. The absence of official patches necessitates immediate mitigation steps such as input validation, use of prepared statements, or restricting access to the vulnerable endpoint. Given the nature of the software, the attack surface is limited but can lead to significant data compromise or operational disruption if exploited.

The SQL injection vulnerability allows attackers to execute arbitrary SQL commands remotely without authentication, potentially leading to unauthorized disclosure, modification, or deletion of sensitive data stored in the database. This can compromise the confidentiality and integrity of financial and administrative records managed by the Society Management System. Additionally, attackers could disrupt service availability by corrupting or deleting critical data. Organizations relying on this software for managing society expenses and records may face operational disruptions, reputational damage, and regulatory compliance issues if sensitive personal or financial data is exposed. The medium severity rating reflects that while the impact is significant, it is somewhat limited by the niche use of the software and the low impact ratings on CIA components. However, the ease of exploitation and public disclosure increase the risk of attacks, especially in environments where the system is accessible from untrusted networks.

1. Immediately restrict network access to the /admin/add_expenses.php endpoint to trusted internal networks only, using firewall rules or VPNs. 2. Implement strict input validation and sanitization on the 'detail' parameter to reject or neutralize malicious SQL syntax. 3. Refactor the application code to use parameterized queries or prepared statements to prevent SQL injection. 4. Monitor logs for suspicious activity targeting the vulnerable parameter or endpoint. 5. If possible, apply vendor patches or updates once available; if no official patch exists, consider disabling the vulnerable functionality temporarily. 6. Conduct a thorough security audit of the entire application to identify and remediate other potential injection points. 7. Educate administrators and users about the risks and signs of exploitation attempts. 8. Backup databases regularly and verify restoration procedures to minimize impact in case of data corruption or loss.