CVE-2012-3384 in WordPress
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in the customizer in WordPress before 3.4.1 allows remote attackers to hijack the authentication of unspecified victims via unknown vectors.
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Analysis
by VulDB Data Team • 12/06/2021
The CVE-2012-3384 vulnerability represents a critical cross-site request forgery flaw discovered in WordPress versions prior to 3.4.1, specifically within the customizer component of the platform. This vulnerability falls under the broader category of web application security weaknesses that can be classified as CWE-352, which defines cross-site request forgery as a condition where an attacker can trick a victim into performing actions they did not intend to execute. The customizer functionality in WordPress was designed to allow users to make real-time changes to their website appearance and settings, but this feature became a vector for unauthorized administrative actions when proper CSRF protection mechanisms were absent.
The technical implementation of this vulnerability stems from the lack of proper anti-CSRF tokens or validation mechanisms within the customizer's request handling process. Attackers could exploit this weakness by crafting malicious web pages or emails containing specially crafted requests that would be automatically executed in the context of an authenticated WordPress administrator session. These requests would leverage the victim's existing authentication cookies and session data to perform administrative actions without their knowledge or consent. The unspecified nature of the attack vectors indicates that multiple pathways could be exploited, potentially including social engineering campaigns, compromised websites, or direct malicious links distributed through various communication channels.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it could enable attackers to completely compromise WordPress administrative accounts and gain full control over affected websites. An attacker who successfully exploited this CSRF vulnerability could modify website settings, install malicious plugins, change user permissions, upload malicious files, or even delete content. This represents a significant threat to website owners and administrators who rely on WordPress as their content management system, particularly since the vulnerability affected a core component that was frequently accessed by administrators during routine website management tasks. The attack could be particularly devastating in environments where administrators had elevated privileges or where the compromised website hosted sensitive data or served as a critical business platform.
Organizations affected by this vulnerability should immediately upgrade to WordPress version 3.4.1 or later, which included proper CSRF protection mechanisms in the customizer component. The mitigation strategy should also encompass implementing additional security layers such as Content Security Policy headers, proper session management controls, and regular security audits of web applications. From an ATT&CK framework perspective, this vulnerability aligns with techniques categorized under T1566 for credential access through social engineering and T1078 for valid accounts usage, as attackers leverage existing authenticated sessions to perform unauthorized actions. Security teams should also consider implementing web application firewalls to detect and block suspicious request patterns, and establish monitoring procedures to identify potential exploitation attempts targeting administrative interfaces. The vulnerability serves as a reminder of the importance of maintaining up-to-date software versions and implementing robust security controls to protect against session-based attacks that can compromise entire web applications.