A vulnerability was found in J2Store Extension up to 3.1.6 on Joomla (Joomla Component). It has been classified as critical. Affected is an unknown functionality of the file index.php. The manipulation of the argument sortby/manufacturer_ids[] with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple SQL injection vulnerabilities in the J2Store (com_j2store) extension before 3.1.7 for Joomla! allow remote attackers to execute arbitrary SQL commands via the (1) sortby or (2) manufacturer_ids[] parameter to index.php.

The weakness was released 08/18/2015 (Website). The advisory is shared for download at j2store.org. This vulnerability is traded as CVE-2015-6513 since 08/18/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1505.

By approaching the search of inurl:index.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.1.7 eliminates this vulnerability.

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• Joomla Component

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• J2Store Extension

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