CVE-2016-1000122 in Joomla Slider Extension
Summary
by MITRE
XSS and SQLi in Huge IT Joomla Slider v1.0.9 extension
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Analysis
by VulDB Data Team • 09/28/2022
The CVE-2016-1000122 vulnerability affects the Huge IT Joomla Slider extension version 1.0.9, presenting critical security flaws that expose web applications to both cross-site scripting and SQL injection attacks. This vulnerability resides within a popular Joomla content management system extension designed to create slider interfaces for websites, making it a prime target for attackers seeking to compromise Joomla-powered sites. The flaw manifests through improper input validation and sanitization mechanisms within the extension's codebase, creating exploitable entry points for malicious actors.
The technical implementation of this vulnerability stems from insufficient validation of user-supplied input parameters within the slider extension's backend processing functions. Attackers can exploit this weakness by injecting malicious payloads through various input fields that are not properly sanitized before being processed or stored in the database. The cross-site scripting component allows attackers to execute arbitrary javascript code in the context of a victim's browser, potentially leading to session hijacking, credential theft, or redirection to malicious sites. Meanwhile, the SQL injection vulnerability enables attackers to manipulate the underlying database through crafted input that bypasses normal security controls, potentially allowing full database access, data exfiltration, or even remote code execution depending on the database configuration.
From an operational perspective, this vulnerability poses significant risks to Joomla site administrators and their visitors, as it can be exploited without requiring authentication or advanced technical skills. The impact extends beyond individual site compromise to potentially affect entire Joomla ecosystems, particularly when multiple sites utilize the vulnerable extension. Attackers can leverage the XSS vulnerability to steal administrator sessions, modify content, or redirect users to phishing sites, while the SQL injection component can be used to extract sensitive information, modify database records, or escalate privileges within the application. The vulnerability's exploitation potential aligns with attack patterns documented in the mitre attack framework under techniques such as credential access and command and control, while the underlying flaw corresponds to common weakness enumerations like CWE-79 for cross-site scripting and CWE-89 for SQL injection.
Mitigation strategies should include immediate patching of the vulnerable extension to version 1.0.10 or later, which addresses the input validation issues through proper sanitization and parameterized queries. System administrators should implement comprehensive input validation at multiple layers, including application-level filtering, web application firewalls, and database-level query sanitization to prevent similar vulnerabilities in other components. The implementation of content security policies can help reduce the impact of XSS attacks by restricting script execution, while database access controls and regular security audits can minimize the potential damage from SQL injection attempts. Organizations should also consider implementing automated vulnerability scanning tools to identify and remediate similar issues across their entire web application portfolio, following security best practices outlined in standards such as owasp top ten and iso 27001. Regular security updates, proper access controls, and comprehensive monitoring systems are essential to maintain the security posture of Joomla installations and prevent exploitation of known vulnerabilities like CVE-2016-1000122.