CVE-2009-4575 in Com Qpersonel
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Q-Personel (com_qpersonel) component 1.0.2 RC2 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the personel_sira parameter in a sirala action to index.php.
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Analysis
by VulDB Data Team • 06/22/2025
The CVE-2009-4575 vulnerability represents a critical cross-site scripting flaw within the Q-Personel component version 1.0.2 RC2 for Joomla websites that utilize this vulnerable component.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the Q-Personel component's codebase. When the personel_sira parameter is submitted through the sirala action mechanism, the component fails to properly sanitize or escape the input before incorporating it into dynamic web page content. This lack of proper input sanitization creates an environment where attacker-controlled data can be executed as client-side scripts, violating fundamental web security principles and exposing users to various attack vectors including session hijacking, data theft, and malicious redirection.
From an operational perspective, this vulnerability presents significant risks to Joomla platforms often serve as content management systems for business websites, the potential for financial and reputational damage increases substantially when such vulnerabilities remain unpatched.
The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in software applications, and can be categorized under ATT&CK technique T1566 for initial access through spearphishing with malicious attachments or links. Security professionals should note that this vulnerability demonstrates the importance of input validation and output encoding practices within web applications. Organizations should implement comprehensive security measures including regular component updates, input sanitization protocols, and security monitoring systems to detect and prevent exploitation attempts. The recommended mitigation strategy involves immediate patching of the Q-Personel component to version 1.0.2 RC3 or later, along with implementing web application firewalls and conducting thorough security audits of all installed Joomla! extensions to identify similar vulnerabilities that may exist within the broader application ecosystem.