CVE-2025-6835 in Library System
Summary
by MITRE • 06/29/2025
A vulnerability was found in code-projects Library System 1.0. It has been rated as critical. This issue affects some unknown processing of the file /student-issue-book.php. The manipulation of the argument reg leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 07/01/2025
The vulnerability identified as CVE-2025-6835 represents a critical sql injection flaw within the code-projects Library System version 1.0, specifically impacting the /student-issue-book.php file. This vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly handle user-supplied data. The affected parameter reg serves as the primary attack vector, where malicious actors can inject arbitrary sql commands through crafted input values that are then processed without proper escaping or parameterization. The vulnerability's critical rating reflects its severe impact potential, as sql injection attacks can lead to complete database compromise, data exfiltration, and unauthorized access to sensitive information. The attack surface extends to remote exploitation capabilities, meaning adversaries can leverage this vulnerability from external networks without requiring physical access to the system infrastructure.
The technical exploitation of this vulnerability follows established sql injection attack patterns that align with CWE-89, which specifically addresses improper neutralization of special elements used in sql commands. The flaw demonstrates inadequate application-level input filtering and the absence of prepared statements or parameterized queries that would normally prevent malicious sql code execution. When the reg parameter is processed in the student-issue-book.php script, the application fails to implement proper data sanitization measures, allowing attackers to manipulate the sql query structure through carefully crafted payloads. This vulnerability directly enables unauthorized database access and can be exploited to extract, modify, or delete sensitive library data including student records, book inventory, and potentially administrative credentials. The public disclosure of exploit details significantly increases the risk exposure as threat actors can readily implement this attack without requiring advanced technical skills.
The operational impact of this vulnerability extends beyond immediate data compromise to encompass broader system integrity and availability concerns. Successful exploitation could result in complete database corruption, unauthorized privilege escalation, and potential lateral movement within the network infrastructure. Attackers may leverage the sql injection to escalate privileges, access administrative interfaces, or establish persistent backdoors within the library management system. The vulnerability's presence in a library system specifically exposes sensitive personal data including student information, borrowing records, and potentially financial data related to library services. Organizations using this software face significant compliance risks, particularly under data protection regulations such as gdpr and ccpa, where unauthorized data access could result in substantial financial penalties and reputational damage. The remote exploit capability means that attackers can target the system from anywhere on the internet, making traditional network perimeter defenses insufficient for protection.
Mitigation strategies for CVE-2025-6835 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities. The primary recommendation involves implementing proper input validation and parameterized queries throughout the application codebase, specifically targeting the reg parameter in student-issue-book.php. Organizations should deploy web application firewalls to detect and block sql injection attempts, while also implementing comprehensive code reviews and security testing procedures. The fix should include proper escaping of user inputs, utilization of prepared statements, and implementation of principle of least privilege access controls. Additionally, the application should be updated to a patched version of the code-projects Library System, as the vulnerability exists in version 1.0 and likely affects other releases in the same software lineage. System administrators should conduct thorough vulnerability assessments to identify other potential sql injection points within the same codebase, while implementing proper logging and monitoring to detect suspicious database access patterns. The remediation process must also include user access control reviews and database activity monitoring to prevent unauthorized data manipulation. Organizations should consider implementing database-level security measures including query execution limits and automated sql injection detection systems. The vulnerability's classification under ATT&CK technique T1190 for exploit public-facing application aligns with the need for comprehensive network security controls and application hardening measures to prevent exploitation. Regular security assessments and penetration testing should be conducted to identify and remediate similar vulnerabilities across the entire software ecosystem.