CVE-2017-17872 in JEXTN Video Gallery Extension
Summary
by MITRE
The JEXTN Video Gallery extension 3.0.5 for Joomla! has SQL Injection via the id parameter in a view=category action.
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Analysis
by VulDB Data Team • 09/07/2025
The CVE-2017-17872 vulnerability represents a critical SQL injection flaw within the JEXTN Video Gallery extension version 3.0.5 for Joomla! platforms. This security weakness specifically manifests when the application processes the id parameter within the view=category action, creating an exploitable condition that allows malicious actors to manipulate database queries through crafted input. The vulnerability stems from inadequate input validation and sanitization mechanisms within the extension's codebase, particularly in how it handles user-supplied data when constructing SQL statements.
The technical implementation of this vulnerability occurs because the extension fails to properly escape or parameterize the id parameter before incorporating it into database queries. When a user submits a request containing a maliciously crafted id value through the view=category action, the extension directly interpolates this input into SQL commands without sufficient sanitization. This creates an environment where attackers can inject arbitrary SQL code that executes with the privileges of the database user associated with the Joomla! application. The vulnerability falls under the CWE-89 category of SQL Injection, which is classified as a high-severity weakness in the Common Weakness Enumeration framework. Attackers can leverage this flaw to extract sensitive data, modify database contents, or potentially escalate their privileges within the affected system.
The operational impact of CVE-2017-17872 extends beyond simple data theft, as it provides attackers with a pathway to gain deeper access to the underlying Joomla installation running the vulnerable JEXTN Video Gallery extension, making it particularly concerning for organizations with multiple websites or those that have not implemented proper patch management procedures. The attack vector is relatively simple to exploit, requiring only basic knowledge of SQL injection techniques and the ability to craft malicious URLs that target the specific vulnerable parameter.
Mitigation strategies for this vulnerability should prioritize immediate patching of the JEXTN Video Gallery extension to version 3.0.6 or later, which contains the necessary security fixes. Organizations should also implement input validation controls at multiple layers including web application firewalls, database access controls, and regular security monitoring to detect anomalous database query patterns. The remediation process should include comprehensive testing to ensure that all instances of the vulnerable extension have been updated and that no other similar vulnerabilities exist within the Joomla! ecosystem. Additionally, implementing proper access controls and privilege separation within the database environment can limit the potential damage from successful exploitation attempts. This vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol manipulation and T1046 for network service discovery, as attackers may use this flaw to map the database structure and identify other potential attack surfaces within the affected environment.