CVE-2018-5992 in Staff Master
Summary
by MITRE
SQL Injection exists in the Staff Master through 1.0 RC 1 component for Joomla! via the name parameter in a view=staff request.
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Analysis
by VulDB Data Team • 07/01/2025
The vulnerability identified as CVE-2018-5992 represents a critical SQL injection flaw within the Staff Master component version 1.0 RC 1 for Joomla application's database infrastructure.
The technical implementation of this vulnerability occurs when the Staff Master component fails to properly escape or filter user-supplied input from the name parameter before incorporating it into SQL query construction. This primitive input handling approach creates an environment where attackers can manipulate the database query structure through carefully crafted payloads that exploit the lack of proper parameterization or input sanitization. The vulnerability operates at the application layer and requires minimal privileges to exploit, making it particularly dangerous as it can be leveraged by both authenticated and unauthenticated attackers depending on the application configuration. The flaw aligns with CWE-89 which specifically addresses SQL injection vulnerabilities, and represents a direct violation of secure coding practices that mandate proper input validation and parameterized queries.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete database compromise and potential system takeover. Attackers can leverage this vulnerability to extract sensitive information including user credentials, personal data, and administrative access details stored within the database. The attack surface is further expanded as successful exploitation can enable attackers to modify or delete database records, potentially leading to service disruption or complete system compromise. The vulnerability also creates opportunities for attackers to escalate privileges within the Joomla platforms for business-critical applications, as the compromise of the database layer can lead to cascading security failures throughout the entire system architecture.
Mitigation strategies for CVE-2018-5992 must prioritize immediate remediation through the official component update provided by the Joomla! development team. Organizations should implement comprehensive input validation mechanisms that enforce strict parameter filtering and ensure all user inputs undergo proper sanitization before database interaction. The implementation of prepared statements and parameterized queries serves as a fundamental defense mechanism against SQL injection attacks, aligning with ATT&CK technique T1071.004 which emphasizes the importance of secure coding practices in preventing injection vulnerabilities. Additionally, organizations should deploy web application firewalls to monitor and filter malicious SQL injection patterns, implement database access controls to limit application privileges, and conduct regular security assessments to identify similar vulnerabilities within the application stack. The remediation process should include thorough testing of the updated component to ensure that the fix does not introduce regressions while maintaining full functionality of the staff management features.