CVE-2009-4650 in Com Webeecomment
Summary
by MITRE
SQL injection vulnerability in the Webee Comments (com_webeecomment) component 1.1.1, 1.2, and 2.0 for Joomla! allows remote attackers to execute arbitrary SQL commands via the articleId parameter in a default action to index2.php. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 05/01/2026
The CVE-2009-4650 vulnerability represents a critical SQL injection flaw within the Webee Comments component for Joomla content management systems, making it a prime target for automated exploitation campaigns. The component's failure to properly sanitize user input creates an exploitable condition where malicious SQL payloads can be executed with the privileges of the database user account.
The technical implementation of this vulnerability stems from insufficient input validation and parameter sanitization within the Webee Comments component. When the application processes the articleId parameter, it fails to properly escape or validate the input before incorporating it into SQL queries. This allows attackers to manipulate the SQL execution flow by injecting malicious SQL syntax that can bypass authentication, extract sensitive data, modify database records, or even execute system commands depending on the database backend. The vulnerability maps directly to CWE-89 which defines SQL injection as the improper handling of SQL query construction where user-supplied data is concatenated into SQL statements without adequate sanitization. The attack vector specifically leverages the web application's parameter handling mechanism, making it accessible through standard HTTP requests without requiring special privileges or complex attack chains.
The operational impact of CVE-2009-4650 extends beyond simple data theft, encompassing complete system compromise and persistent backdoor access. Attackers can leverage this vulnerability to gain unauthorized access to sensitive user information, including administrative credentials and personal data stored in the database. The vulnerability can be exploited to perform privilege escalation attacks, allowing unauthorized users to assume administrator roles within the Joomla installation. The long-term implications include potential data breaches, service disruption, and compliance violations, as the vulnerability can remain undetected for extended periods while attackers maintain persistent access to the compromised system.
Mitigation strategies for CVE-2009-4650 should prioritize immediate component updates and patches from the Joomla! security team or component vendor. Organizations must implement proper input validation and parameter sanitization measures, ensuring that all user-supplied data undergoes rigorous filtering before database processing. The implementation of prepared statements and parameterized queries should be enforced throughout the application codebase to prevent similar vulnerabilities from occurring in the future. Network-based mitigations include implementing web application firewalls and intrusion detection systems that can detect and block SQL injection attempts. Security monitoring should be enhanced to track unusual database access patterns and unauthorized data manipulation activities. The vulnerability also highlights the importance of regular security assessments and vulnerability scanning, as recommended by the ATT&CK framework's defense-in-depth strategy, which emphasizes multiple layers of security controls to protect against various attack vectors including those targeting web application components and database interfaces.