CVE-2025-11507 identifies a SQL injection vulnerability in the PHPGurukul Beauty Parlour Management System version 1.1, specifically within the /admin/search-invoices.php script. The vulnerability arises from insufficient input validation and sanitization of the 'searchdata' parameter, which is used in SQL queries without proper escaping or parameterization. This allows remote attackers to craft malicious input that alters the intended SQL command, potentially enabling unauthorized data retrieval, modification, or deletion within the backend database. The vulnerability does not require any authentication or user interaction, making it remotely exploitable over the network. The CVSS 4.0 base score of 6.9 (medium severity) reflects the network attack vector, low attack complexity, and no privileges or user interaction needed, but only limited impact on confidentiality, integrity, and availability. Although no active exploitation has been reported, the availability of public exploit code increases the risk of attacks. The affected product is typically deployed in small to medium beauty parlour businesses to manage invoices and client data, making the database a valuable target for attackers seeking sensitive customer information or business records. The lack of official patches at the time of disclosure necessitates immediate mitigation through alternative controls such as input validation and web application firewalls. Organizations should also monitor for suspicious database activity and consider upgrading or replacing vulnerable software versions.

For European organizations, the exploitation of this SQL injection vulnerability could lead to unauthorized access to sensitive customer and business data, including financial records and personal client information. This compromises confidentiality and may violate data protection regulations such as GDPR, leading to legal and reputational consequences. Integrity of data could be undermined by unauthorized modifications or deletions, disrupting business operations and financial reporting. Availability might be affected if attackers execute destructive queries or cause database errors, resulting in downtime or degraded service. Small and medium enterprises in the beauty and wellness sector, which often rely on PHPGurukul's system, may lack robust cybersecurity defenses, increasing their risk exposure. The public availability of exploit code raises the likelihood of opportunistic attacks, including data theft, fraud, or ransomware deployment. Additionally, compromised systems could be leveraged as pivot points for broader network intrusions. The impact is particularly significant given the sensitive nature of client data handled by these management systems and the regulatory environment in Europe emphasizing data security.

1. Apply official patches or updates from PHPGurukul as soon as they become available to address the vulnerability directly. 2. Until patches are released, implement strict input validation and sanitization on the 'searchdata' parameter, using parameterized queries or prepared statements to prevent SQL injection. 3. Deploy a Web Application Firewall (WAF) configured to detect and block SQL injection patterns targeting the affected endpoint. 4. Conduct regular security audits and code reviews of the application to identify and remediate similar injection flaws. 5. Monitor database logs and application logs for unusual query patterns or errors indicative of exploitation attempts. 6. Restrict database user privileges to the minimum necessary to limit the impact of potential injection attacks. 7. Educate administrative users about the risks and signs of compromise to enable prompt incident response. 8. Consider migrating to more secure, actively maintained management systems if PHPGurukul support is limited. 9. Implement network segmentation to isolate critical systems and limit attacker lateral movement in case of compromise. 10. Ensure regular backups of databases and application data to enable recovery from destructive attacks.