CVE-2025-29425 in Online Class and Exam Scheduling System
Summary
by MITRE • 03/17/2025
Code-projects Online Class and Exam Scheduling System 1.0 is vulnerable to SQL Injection in exam_save.php via the parameters member and first.
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Analysis
by VulDB Data Team • 10/23/2025
The Code-projects Online Class and Exam Scheduling System version 1.0 presents a critical security vulnerability through SQL injection flaws in its exam_save.php component. This vulnerability specifically manifests when the application processes user input through the member and first parameters, creating an attack surface that allows malicious actors to manipulate database queries. The flaw resides in the application's insufficient input validation and sanitization mechanisms, which fail to properly escape or filter user-supplied data before incorporating it into SQL command structures. This vulnerability falls under the CWE-89 category of SQL Injection, representing a fundamental weakness in data handling that has been consistently identified as one of the most dangerous web application security flaws by industry standards and security frameworks.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to execute arbitrary SQL commands against the underlying database system. Through careful manipulation of the member and first parameters, an attacker could potentially extract sensitive information including user credentials, personal data, and system configurations. The vulnerability could also facilitate unauthorized database modifications, allowing attackers to alter exam schedules, manipulate user permissions, or even delete critical records. This type of attack vector represents a significant threat to the integrity and confidentiality of the entire exam scheduling ecosystem, potentially compromising the academic integrity of the platform and exposing users to identity theft or other malicious activities.
Security professionals should recognize this vulnerability as a prime example of insufficient input validation in web applications, which aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications. The attack surface is particularly concerning given that the vulnerability affects core functionality within an educational platform where user trust and data security are paramount. The lack of proper parameterized queries or input sanitization in the exam_save.php script creates a direct path for attackers to bypass authentication mechanisms and gain unauthorized access to database resources. Organizations utilizing this system should immediately implement mitigation strategies including input validation, parameterized queries, and comprehensive code review processes to prevent exploitation of this vulnerability. Additionally, implementing web application firewalls and database activity monitoring solutions can provide additional layers of protection against SQL injection attacks targeting similar components within the platform's architecture.
The vulnerability demonstrates the critical importance of secure coding practices and proper input validation in web applications, particularly those handling sensitive educational data. The exposure of database operations through user-controllable parameters represents a fundamental flaw in the application's security architecture that requires immediate remediation. System administrators and development teams should conduct thorough security assessments of all application components to identify similar vulnerabilities and ensure that proper security controls are implemented throughout the platform's codebase. Regular security testing and vulnerability assessments should be integrated into the development lifecycle to prevent the introduction of similar flaws in future versions of the system, thereby maintaining the integrity and security posture of educational technology platforms.