CVE-2015-9353 in GigPress Plugin
Summary
by MITRE
The gigpress plugin before 2.3.11 for WordPress has SQL injection in the admin area, a different vulnerability than CVE-2015-4066.
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Analysis
by VulDB Data Team • 12/07/2023
The gigpress plugin vulnerability CVE-2015-9353 represents a critical SQL injection flaw that affected versions prior to 2.3.11 within the WordPress ecosystem. This vulnerability specifically targets the administrative interface of the plugin, creating a significant attack surface for malicious actors seeking to compromise WordPress sites. The flaw demonstrates the persistent nature of SQL injection vulnerabilities in content management systems, where improper input validation can lead to complete database compromise. Unlike CVE-2015-4066 which affected a different aspect of the same plugin, this vulnerability focuses exclusively on administrative functionality, making it particularly dangerous as it could enable attackers to escalate privileges and gain full control over the affected WordPress installation. The vulnerability's classification aligns with CWE-89, which specifically addresses SQL injection weaknesses in software applications. This type of vulnerability falls under the ATT&CK technique T1071.004 for application layer protocol manipulation and T1046 for network service scanning, as attackers would typically probe for such vulnerabilities before exploiting them.
The technical implementation of this SQL injection vulnerability occurs within the administrative components of the gigpress plugin where user-supplied parameters are not properly sanitized before being incorporated into database queries. Attackers can exploit this weakness by crafting malicious input that manipulates the SQL query structure, potentially allowing them to extract sensitive data, modify database contents, or execute unauthorized administrative commands. The vulnerability's impact is amplified because it resides in the admin area, meaning successful exploitation could provide attackers with access to all administrative functions and potentially lead to complete site compromise. The plugin's design failure in properly escaping or validating input parameters creates a direct pathway for attackers to inject malicious SQL code that bypasses normal authentication and authorization mechanisms. This flaw represents a classic example of insufficient input validation and improper query construction, where the plugin fails to implement proper parameterized queries or input sanitization techniques that would prevent the injection of malicious SQL fragments.
The operational impact of CVE-2015-9353 extends beyond simple data theft to encompass complete system compromise and potential lateral movement within network environments. When exploited, this vulnerability allows attackers to manipulate the gigpress plugin's database entries, potentially altering event listings, modifying plugin configurations, or even creating backdoor access points within the WordPress installation. The administrative access gained through this vulnerability provides attackers with the ability to install malicious plugins, modify existing themes, or create new user accounts with elevated privileges. Organizations running affected versions of the gigpress plugin face significant risk of data breaches, content manipulation, and potential use as a stepping stone for further attacks within their infrastructure. The vulnerability's presence in widely used plugins like gigpress increases the attack surface for automated exploitation tools that scan for known vulnerabilities, making sites with unpatched installations particularly attractive targets for mass exploitation campaigns. Security professionals must consider this vulnerability as part of broader WordPress security assessments, particularly when evaluating third-party plugin security postures and conducting vulnerability scanning activities.
Mitigation strategies for CVE-2015-9353 focus primarily on immediate patching of the gigpress plugin to version 2.3.11 or later, which contains the necessary input validation and sanitization fixes. System administrators should implement comprehensive monitoring of WordPress installations for unauthorized plugin modifications and maintain up-to-date security practices including regular plugin updates and security audits. The vulnerability highlights the importance of secure coding practices such as implementing parameterized queries, input validation, and output escaping to prevent SQL injection attacks. Organizations should also consider implementing web application firewalls and intrusion detection systems that can identify and block suspicious SQL injection attempts targeting WordPress installations. Additionally, regular security assessments and penetration testing should include evaluation of plugin security configurations and input handling mechanisms. The remediation process must include thorough testing of patched versions to ensure that the security fixes do not introduce compatibility issues with existing site functionality, while also implementing proper access controls and least privilege principles for administrative accounts. This vulnerability serves as a reminder of the critical need for ongoing security maintenance and the importance of keeping all components of web applications updated to address known security flaws.