CVE-2009-1279 in Joomla
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Joomla! 1.5 through 1.5.9 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors to the (1) com_admin component, (2) com_search component when "Gather Search Statistics" is enabled, and (3) the category view in the com_content component.
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Analysis
by VulDB Data Team • 04/21/2019
The vulnerability identified as CVE-2009-1279 represents a critical cross-site scripting flaw affecting Joomla framework, creating multiple attack vectors that significantly expand the potential threat surface for compromised installations.
The technical implementation of this vulnerability stems from inadequate input validation and output sanitization mechanisms within the affected Joomla! components. Attackers can exploit these weaknesses by crafting malicious payloads that bypass the system's security controls when processing user input. The com_admin component serves as one vector where unfiltered data enters the system, while the com_search component becomes vulnerable when the "Gather Search Statistics" feature is enabled, indicating that even legitimate administrative functions can become attack surfaces when improperly secured. The com_content component's category view presents another exploitation pathway, demonstrating how different parts of the application architecture can simultaneously harbor these security defects.
The operational impact of CVE-2009-1279 extends far beyond simple script injection, as it provides attackers with the capability to execute arbitrary web scripts in the context of affected users' browsers. This enables a range of malicious activities including session hijacking, credential theft, data exfiltration, and the potential for establishing persistent backdoors within compromised systems. The vulnerability's presence in core administrative components like com_admin means that successful exploitation could provide attackers with elevated privileges and access to sensitive system functions. When combined with the search statistics gathering feature, attackers can potentially manipulate the system's logging mechanisms to create persistent malicious content that survives system restarts or normal cleanup operations.
Organizations affected by this vulnerability should immediately implement comprehensive mitigation strategies that include updating to patched versions of Joomla! 1.5.10 or later, which contain the necessary security fixes. The ATT&CK framework categorizes this vulnerability under the T1059.007 technique for Scripting, specifically targeting web-based attack vectors. Additional defensive measures should include implementing strict input validation at all application entry points, deploying web application firewalls, and conducting regular security audits to identify similar vulnerabilities in other components. The vulnerability also highlights the importance of the principle of least privilege, ensuring that administrative functions like search statistics gathering are properly secured and that user inputs are consistently sanitized regardless of the component handling the data. Organizations should also consider implementing content security policies and regular security assessments to prevent similar issues from emerging in their web applications.