CVE-2026-1118 identifies a SQL injection vulnerability in itsourcecode Society Management System version 1.0. The vulnerability resides in the /admin/add_activity.php script, where the Title parameter is improperly sanitized, allowing an attacker to inject arbitrary SQL commands. This flaw can be exploited remotely without requiring user interaction or authentication, making it accessible to unauthenticated attackers over the network. The injection can potentially allow attackers to read, modify, or delete database contents, leading to data leakage, data corruption, or denial of service. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity, with attack vector as network, low attack complexity, no privileges required, and no user interaction needed. The impact on confidentiality, integrity, and availability is limited but present, as the vulnerability affects only a specific function and requires some knowledge of the system. No patches have been officially released yet, and no active exploitation has been reported, but public exploit code availability increases the risk of future attacks. The vulnerability is relevant for organizations using this specific version of the Society Management System, which is typically deployed in community or society administrative contexts.

For European organizations, exploitation of this vulnerability could lead to unauthorized access to sensitive community or society management data, including personal information of members, event details, and administrative records. This could result in privacy breaches, reputational damage, and potential regulatory non-compliance under GDPR. Data integrity could be compromised if attackers modify or delete records, disrupting organizational operations. Availability might also be affected if attackers execute SQL commands that cause database errors or crashes. Given the remote exploitability without authentication, attackers can target exposed management interfaces directly. Organizations relying on this software for critical community management functions may face operational disruptions. The medium severity score reflects a moderate risk, but the public availability of exploits increases the urgency for mitigation. The impact is more pronounced in sectors with strict data protection requirements or where society management data is sensitive or critical.

Immediate mitigation should focus on restricting access to the /admin/add_activity.php endpoint by implementing network-level controls such as IP whitelisting or VPN access to administrative interfaces. Employ web application firewalls (WAFs) configured to detect and block SQL injection patterns targeting the Title parameter. Implement strict input validation and sanitization on all user-supplied data, especially the Title field, using parameterized queries or prepared statements to prevent injection. Monitor logs for suspicious activity related to the add_activity.php script. Since no official patch is currently available, organizations should consider isolating or disabling the vulnerable functionality temporarily if feasible. Regularly check for vendor updates or patches and apply them promptly once released. Conduct security awareness training for administrators to recognize potential exploitation attempts. Finally, perform security assessments and penetration testing focused on SQL injection vectors to identify and remediate similar vulnerabilities.