CVE-2010-5286 in Com Jstore
Summary
by MITRE
Directory traversal vulnerability in Jstore (com_jstore) component for Joomla! allows remote attackers to read arbitrary files and possibly have unspecified other impact via a .. (dot dot) in the controller parameter to index.php.
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Analysis
by VulDB Data Team • 08/12/2025
The CVE-2010-5286 vulnerability represents a critical directory traversal flaw within the Jstore component of Joomla! content management systems. This vulnerability specifically affects the com_jstore component which is a popular e-commerce solution for Joomla platforms. The flaw exists in how the application processes user input through the controller parameter in the index.php file, creating an opportunity for malicious actors to access files outside the intended directory structure. The vulnerability is classified under CWE-22 - Improper Limitation of a Pathname to a Restricted Directory, which is a fundamental security issue that allows attackers to manipulate file access paths.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious request containing directory traversal sequences such as .. or %2e%2e in the controller parameter of the index.php endpoint. This allows the attacker to navigate upward through the directory hierarchy and access files that should normally be restricted to authorized users only. The vulnerability is particularly dangerous because it can be exploited remotely without requiring authentication, making it an attractive target for automated attacks. When the application processes the malformed input, it fails to properly validate or sanitize the pathname, allowing the traversal to occur and potentially exposing sensitive files such as configuration databases, user credentials, or application source code.
The operational impact of this vulnerability extends beyond simple file access, as it can lead to complete system compromise. Attackers who successfully exploit this vulnerability can potentially read sensitive configuration files that may contain database credentials, encryption keys, or other critical system information. The unspecified other impacts mentioned in the CVE description suggest that the vulnerability could also enable arbitrary code execution or privilege escalation depending on the system configuration and the specific files accessed. This type of vulnerability directly violates the principle of least privilege and can result in data breaches, system infiltration, and potential complete compromise of the affected Joomla installation. The vulnerability affects multiple versions of the Jstore component and represents a significant risk to organizations relying on outdated Joomla platforms.
Mitigation strategies for CVE-2010-5286 should prioritize immediate patching of affected Joomla installations with the latest security updates from the Joomla project. Organizations should also implement input validation measures at the application level to sanitize all user-supplied data before processing, particularly parameters used in file access operations. Network-level protections such as web application firewalls can help detect and block malicious traversal attempts, while proper file permissions and access controls should be enforced to limit the damage from successful exploitation. Security monitoring should include detection of unusual file access patterns and directory traversal attempts. The vulnerability aligns with ATT&CK technique T1059.007 - Command and Scripting Interpreter: PowerShell, as attackers may use the access gained to execute further malicious activities. Regular security audits and vulnerability assessments should be conducted to identify similar path traversal vulnerabilities in other components and applications, as this represents a common class of flaws that can be exploited across multiple platforms and technologies.