CVE-2018-6583 in Timetable Responsive Schedule
Summary
by MITRE
SQL Injection exists in the Timetable Responsive Schedule 1.5 component for Joomla! via a view=event&alias= request.
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Analysis
by VulDB Data Team • 07/03/2025
The vulnerability CVE-2018-6583 represents a critical sql injection flaw within the Timetable Responsive Schedule component version 1.5 for Joomla! platforms. This vulnerability specifically manifests when processing requests containing the view=event&alias= parameters, creating an exploitable condition that allows attackers to manipulate database queries through crafted input. The flaw resides in the component's insufficient sanitization of user-supplied data, particularly within the alias parameter handling mechanism that processes event identifiers.
The technical implementation of this vulnerability stems from improper input validation and query construction practices within the component's backend processing logic. When a user requests an event page using the timetable component, the system accepts the alias parameter without adequate sanitization or parameterized query construction. This allows malicious actors to inject arbitrary sql commands that can be executed within the context of the database connection, potentially enabling full database compromise. The vulnerability aligns with CWE-89 which specifically addresses sql injection flaws in software applications, and represents a classic example of insecure data handling in web applications.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and unauthorized access to sensitive information. Attackers can leverage this vulnerability to extract confidential data including user credentials, personal information, and administrative details stored within the Joomla ecosystem where the Timetable Responsive Schedule component is installed, making it particularly dangerous for organizations running multiple sites with this specific component.
Mitigation strategies for CVE-2018-6583 should prioritize immediate patching of the vulnerable component to version 1.6 or later, which contains the necessary security fixes. Organizations should also implement input validation measures at multiple layers including web application firewalls, database query sanitization, and parameterized query execution. The remediation process should include comprehensive security auditing of all installed Joomla! components and plugins to identify similar vulnerabilities. Security controls should be enhanced through proper access controls, database connection hardening, and regular security assessments aligned with NIST cybersecurity frameworks. This vulnerability demonstrates the importance of maintaining up-to-date software components and implementing robust input validation practices as outlined in the ATT&CK framework's defense-in-depth strategies for preventing common web application attacks.