CVE-2010-1720 in Com Qpersonel
Summary
by MITRE
SQL injection vulnerability in the Q-Personel (com_qpersonel) component 1.0.2 and earlier for Joomla! allows remote attackers to execute arbitrary SQL commands via the katid parameter in a qpListele action to index.php.
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Analysis
by VulDB Data Team • 08/26/2025
The CVE-2010-1720 vulnerability represents a critical sql injection flaw within the Q-Personel component version 1.0.2 and earlier for the Joomla installations. The flaw manifests when the application fails to properly sanitize user input passed through the katid parameter during a qpListele action execution. This parameter is processed through the index.php endpoint, creating an avenue for malicious actors to inject arbitrary sql commands directly into the database layer.
The technical implementation of this vulnerability stems from inadequate input validation and parameter sanitization within the component's codebase. When the katid parameter is submitted through the qpListele action, the application constructs sql queries without proper escaping or parameterization of user-supplied data. This creates a classic sql injection vector where an attacker can manipulate the sql execution flow by injecting malicious sql syntax into the katid parameter. The vulnerability is particularly dangerous because it allows remote code execution without requiring authentication, making it accessible to any internet-facing system running the vulnerable component.
The operational impact of CVE-2010-1720 extends far beyond simple data theft or modification. Attackers can leverage this vulnerability to gain complete administrative control over affected Joomla! installations, potentially leading to full system compromise. The remote execution capability means that attackers do not need physical access or local network privileges to exploit the vulnerability. Successful exploitation can result in data breaches, system defacement, unauthorized access to sensitive personnel information, and potential use as a foothold for further attacks within network infrastructure. Organizations may face regulatory compliance violations, reputational damage, and significant financial losses due to the exposure of sensitive personal data.
Mitigation strategies for this vulnerability require immediate action including upgrading to the latest version of the Q-Personel component where the sql injection flaw has been addressed 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 thorough vulnerability assessments to identify any other potentially vulnerable components within the Joomla! installation. The remediation process must include comprehensive testing to ensure that the upgrade does not introduce compatibility issues with existing system functionality. Additionally, organizations should establish regular security patch management processes to prevent similar vulnerabilities from emerging in the future, aligning with industry best practices outlined in the owasp top ten and nist cybersecurity framework standards. The vulnerability demonstrates the importance of proper input validation techniques and adheres to common weakness enumeration category 89 which specifically addresses sql injection vulnerabilities.