CVE-2017-14843 in Mojoomla School Management System
Summary
by MITRE
Mojoomla School Management System for WordPress allows SQL Injection via the id parameter.
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Analysis
by VulDB Data Team • 11/24/2025
The vulnerability identified as CVE-2017-14843 affects the Mojoomla School Management System plugin for WordPress, representing a critical security flaw that enables remote attackers to execute arbitrary SQL commands against the underlying database. This issue stems from inadequate input validation and sanitization within the plugin's handling of user-supplied data, specifically targeting the id parameter that is processed without proper security measures. The vulnerability exists in the plugin's backend processing logic where user input flows directly into SQL query construction without appropriate escaping or parameterization techniques.
The technical implementation of this SQL injection vulnerability occurs when the plugin receives the id parameter through HTTP requests and incorporates it directly into database queries without proper sanitization. Attackers can manipulate this parameter to inject malicious SQL code that executes with the privileges of the database user account associated with the WordPress installation. This flaw falls under CWE-89 which specifically addresses SQL injection vulnerabilities, and aligns with ATT&CK technique T1071.004 for application layer protocol manipulation. The vulnerability demonstrates poor input validation practices where the system fails to distinguish between legitimate user input and potentially malicious SQL commands, creating an exploitable entry point for database compromise.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could enable attackers to modify or delete critical educational data including student records, staff information, academic performance metrics, and administrative details. The compromised system could also serve as a staging ground for further attacks within the network, particularly if the WordPress installation shares database credentials with other applications. This vulnerability is particularly dangerous in educational environments where sensitive personal information and academic records are stored, potentially exposing students to identity theft and privacy violations. The attack surface is broad since the vulnerability affects any WordPress installation running the affected plugin version, making it a prime target for automated exploitation tools.
Mitigation strategies for this vulnerability require immediate action including updating to the latest plugin version that addresses the SQL injection flaw through proper input sanitization and parameterized queries. System administrators should implement web application firewalls to detect and block malicious SQL injection attempts, while also conducting comprehensive security audits of all installed plugins and themes. Database access should be restricted to minimum required privileges, and regular security monitoring should be implemented to detect unauthorized database access attempts. The remediation process must include thorough testing of the updated plugin to ensure that all functionality remains intact while eliminating the SQL injection vulnerability. Additionally, organizations should establish robust patch management procedures to quickly address similar vulnerabilities in the future, as this type of flaw represents a common target for cybercriminals targeting educational institutions.