CVE-2018-5983 in JquickContact
Summary
by MITRE
SQL Injection exists in the JquickContact 1.3.2.2.1 component for Joomla! via a task=refresh&sid= request.
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Analysis
by VulDB Data Team • 06/17/2025
The CVE-2018-5983 vulnerability represents a critical sql injection flaw within the jquickcontact component version 1.3.2.2.1 for joomla platforms. This vulnerability specifically manifests when the application processes a request containing task=refresh&sid= parameters, creating an exploitable condition that allows malicious actors to inject arbitrary sql commands into the database layer. The vulnerability stems from inadequate input validation and sanitization mechanisms within the component's handling of user-supplied data, particularly in the sid parameter which is directly incorporated into sql query constructions without proper escaping or parameterization. This flaw resides in the component's backend processing logic where user input flows directly into database operations without adequate security controls.
The technical exploitation of this vulnerability occurs through carefully crafted malicious requests that manipulate the sid parameter to inject sql payloads. Attackers can leverage this weakness to execute unauthorized database operations including data retrieval, modification, deletion, or even privilege escalation within the joomla installation. The vulnerability's impact extends beyond simple data theft as it can enable full system compromise through database manipulation and potential lateral movement within the application environment. The flaw specifically maps to common weakness enumeration cwe-89 which categorizes sql injection vulnerabilities as a critical threat to database security and data integrity.
From an operational perspective, this vulnerability poses significant risks to joomla installations running the affected jquickcontact component version. The attack surface is relatively broad as the vulnerability affects any system administrator or user who has access to the component's interface, making it particularly dangerous in multi-user environments. Successful exploitation can lead to complete database compromise, unauthorized access to sensitive user information, and potential system takeover. The vulnerability's persistence in the joomla ecosystem demonstrates the importance of regular security updates and component verification processes within content management systems. Organizations utilizing joomla platforms must consider the broader implications of such vulnerabilities on their overall security posture and database protection strategies.
Mitigation strategies for CVE-2018-5983 should prioritize immediate component updates to versions that address the sql injection vulnerability, following the vendor's security advisory recommendations. System administrators should implement proper input validation and sanitization measures, including parameterized queries and prepared statements, to prevent similar vulnerabilities from occurring in other components. Network segmentation and web application firewalls can provide additional defense-in-depth layers to detect and block malicious sql injection attempts. Regular security audits and vulnerability assessments should be conducted to identify and remediate similar issues across the entire joomla installation, ensuring compliance with industry standards such as those outlined in the owasp top ten and nist cybersecurity framework. The vulnerability also highlights the necessity of maintaining current security patches and implementing automated vulnerability scanning processes to identify unpatched components before they can be exploited by threat actors.