CVE-2014-9441 in Lightbox Photo Gallery
Summary
by MITRE
Multiple cross-site request forgery (CSRF) vulnerabilities in the Lightbox Photo Gallery plugin 1.0 for WordPress allow remote attackers to hijack the authentication of administrators for requests that (1) change plugin settings via unspecified vectors or conduct cross-site scripting (XSS) attacks via the (2) ll__opt[image2_url] or (3) ll__opt[image3_url] parameter in a ll_save_settings action to wp-admin/admin-ajax.php.
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Analysis
by VulDB Data Team • 04/10/2022
The CVE-2014-9441 vulnerability represents a critical cross-site request forgery flaw within the Lightbox Photo Gallery WordPress plugin version 1.0, exposing administrators to significant security risks through unauthorized privilege escalation and potential data compromise. This vulnerability specifically targets the plugin's administrative interface and leverages the inherent trust relationships between web applications and user sessions to execute malicious actions without proper authorization.
The technical implementation of this CSRF vulnerability stems from the absence of proper anti-CSRF token validation within the plugin's settings management functionality. Attackers can exploit this weakness by crafting malicious requests that appear to originate from legitimate administrators, thereby bypassing standard authentication mechanisms. The vulnerability manifests through three distinct attack vectors that target different parameters within the plugin's configuration system. The first vector involves unspecified administrative functions that modify plugin settings, while the second and third vectors specifically target the ll__opt[image2_url] and ll__opt[image3_url] parameters respectively. These parameters are processed through the wp-admin/admin-ajax.php endpoint, which serves as WordPress's asynchronous JavaScript handler and typically handles AJAX requests from the administrative dashboard.
The operational impact of this vulnerability extends beyond simple configuration changes, as it enables attackers to perform both CSRF and XSS attacks simultaneously. When an administrator visits a malicious website or clicks on compromised links, the attacker can manipulate the plugin's image URL settings to inject malicious JavaScript code. This dual exploitation capability significantly amplifies the threat surface, as the XSS component can be used to steal administrator cookies, redirect users to malicious sites, or execute arbitrary code within the administrator's browser context. The vulnerability particularly affects WordPress installations where administrators have elevated privileges and are likely to interact with the compromised plugin interface.
The security implications of this vulnerability align with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in software applications. This classification emphasizes the fundamental flaw in the plugin's session management and request validation mechanisms. From an ATT&CK framework perspective, this vulnerability maps to T1078 Valid Accounts and T1548.002 Account Manipulation, as it allows attackers to leverage legitimate administrative credentials to perform unauthorized actions. The attack chain typically begins with social engineering or compromise of the administrator's browsing session, followed by exploitation of the CSRF vulnerability to modify plugin configurations, potentially leading to persistent backdoors or data exfiltration.
Mitigation strategies for CVE-2014-9441 should prioritize immediate plugin updates to versions that implement proper anti-CSRF token validation and input sanitization. Administrators must ensure that all WordPress plugins are kept current with security patches and that the core WordPress installation maintains the latest security updates. The implementation of Content Security Policy headers and additional input validation measures can provide defense-in-depth protection against similar vulnerabilities. Regular security auditing of installed plugins and monitoring of administrative actions through logging mechanisms will help detect unauthorized configuration changes. Additionally, implementing role-based access controls and limiting administrative privileges to essential personnel reduces the potential impact of successful CSRF attacks. Organizations should also consider network-level protections such as web application firewalls that can detect and block suspicious AJAX requests targeting administrative endpoints.