CVE-2023-41672 in Hide Admin Notices Plugin
Summary
by MITRE • 10/25/2023
Cross-Site Request Forgery (CSRF) vulnerability in Rémi Leclercq Hide admin notices – Admin Notification Center plugin <= 2.3.2 versions.
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Analysis
by VulDB Data Team • 10/28/2023
The CVE-2023-41672 vulnerability represents a critical cross-site request forgery flaw within the Rémi Leclercq Hide admin notices – Admin Notification Center WordPress plugin, affecting versions up to and including 2.3.2. This vulnerability resides in the plugin's administrative interface functionality, specifically targeting the way it handles user authentication tokens and request validation mechanisms. The flaw allows malicious actors to manipulate administrative actions through crafted requests that appear to originate from legitimate administrators, exploiting the absence of proper CSRF protection measures in the plugin's backend operations.
The technical implementation of this vulnerability stems from the plugin's failure to properly validate the authenticity of administrative requests submitted through its notification management interface. When administrators perform actions such as hiding or showing admin notices, the plugin does not adequately verify that these requests originate from authorized users with valid session tokens. This absence of CSRF token validation creates a pathway for attackers to craft malicious requests that can be executed within the context of an authenticated administrator's session, effectively bypassing the standard WordPress authentication mechanisms that typically protect administrative functions.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it enables attackers to manipulate the administrative notification system in ways that could significantly affect system administration and user experience. An attacker could potentially hide critical security notifications, display misleading administrative messages, or even disable essential plugin functionality that administrators rely upon for system monitoring. This manipulation capability creates a persistent threat vector that could remain undetected for extended periods, as the malicious actions appear to originate from legitimate administrative sources within the WordPress environment.
Security practitioners should recognize this vulnerability as a direct violation of the principle of least privilege and proper authentication validation, aligning with CWE-352 which specifically addresses cross-site request forgery weaknesses in web applications. The vulnerability's exploitation path follows common ATT&CK techniques categorized under privilege escalation and persistence mechanisms, where attackers establish covert control over administrative interfaces to maintain long-term access. Organizations should prioritize immediate remediation through plugin updates to versions that implement proper CSRF token validation and authentication checks, while also conducting thorough audits of their WordPress installations to identify any other plugins that may exhibit similar vulnerabilities in their administrative interfaces.
Mitigation strategies should include immediate patching of the affected plugin to version 2.3.3 or later, which incorporates proper CSRF token generation and validation mechanisms. Network administrators should also implement additional monitoring of administrative actions within their WordPress environments, particularly focusing on unusual patterns of notification management activities that could indicate unauthorized manipulation. Security teams should consider implementing web application firewalls with CSRF protection capabilities and establish regular vulnerability scanning procedures targeting WordPress plugins to identify potential exposure to similar flaws. The vulnerability serves as a reminder of the critical importance of validating all administrative requests and maintaining up-to-date security practices within content management systems.