CVE-2025-4027 is a SQL Injection vulnerability identified in version 1.0 of the PHPGurukul Old Age Home Management System, specifically within an unspecified function in the /admin/rules.php file. The vulnerability arises from improper sanitization or validation of the 'pagetitle' parameter, which can be manipulated remotely without authentication or user interaction. This allows an attacker to inject malicious SQL queries directly into the backend database. The vulnerability is classified with a CVSS 4.0 base score of 6.9 (medium severity), indicating a moderate level of risk. The attack vector is network-based (AV:N), requires low attack complexity (AC:L), no privileges (PR:N), and no user interaction (UI:N). The impact on confidentiality, integrity, and availability is rated as low (VC:L, VI:L, VA:L), suggesting that while exploitation is possible remotely, the extent of damage or data exposure may be limited or constrained by the application context. No known exploits are currently observed in the wild, and no patches or fixes have been publicly released. The vulnerability disclosure is recent (April 28, 2025), and the affected product is a niche management system used in old age home facilities, which may have limited deployment but handles sensitive personal and health-related data. The lack of authentication requirement and remote exploitability make this vulnerability a potential entry point for attackers seeking to access or manipulate backend data, possibly leading to unauthorized data disclosure, data modification, or disruption of service within the affected system.

For European organizations operating old age home facilities or healthcare institutions using the PHPGurukul Old Age Home Management System version 1.0, this vulnerability poses a tangible risk to the confidentiality and integrity of sensitive resident data. Exploitation could lead to unauthorized access to personal information, medical records, or administrative data, potentially violating GDPR and other data protection regulations. Although the CVSS metrics suggest limited impact severity, the exposure of sensitive health and personal data could have severe legal and reputational consequences. Additionally, attackers could manipulate data or disrupt system operations, affecting the availability of critical management functions. Given the remote and unauthenticated nature of the exploit, attackers could leverage this vulnerability as a foothold for further network intrusion or lateral movement within healthcare IT environments. The impact is particularly significant in the context of healthcare data protection and continuity of care services in Europe.

Implement immediate input validation and sanitization on the 'pagetitle' parameter in /admin/rules.php to prevent SQL injection, using parameterized queries or prepared statements. Conduct a comprehensive code review of the entire PHPGurukul Old Age Home Management System to identify and remediate other potential injection points or security weaknesses. Isolate the Old Age Home Management System network segment from broader organizational networks to limit lateral movement in case of compromise. Deploy Web Application Firewalls (WAFs) with custom rules to detect and block SQL injection attempts targeting the vulnerable parameter. Monitor logs for unusual database query patterns or repeated access attempts to /admin/rules.php, enabling early detection of exploitation attempts. Engage with the vendor or community to obtain or develop patches or updated versions that address this vulnerability. Ensure regular backups of the system and databases are maintained and tested for integrity to enable recovery in case of data tampering or loss. Educate system administrators on secure coding practices and the importance of timely patching and vulnerability management.