CVE-2024-0969 in ARMember Plugin
Summary
by MITRE • 02/06/2024
The ARMember plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.0.21 via the REST API. This makes it possible for unauthenticated attackers to bypass the plugin's "Default Restriction" feature and view restricted post content.
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Analysis
by VulDB Data Team • 04/12/2026
The ARMember plugin for WordPress presents a critical security vulnerability classified as CVE-2024-0969, which affects all versions up to and including 1.0.21. This vulnerability manifests as sensitive information exposure through the plugin's REST API endpoint, creating a significant security risk for WordPress sites utilizing this membership management solution. The flaw fundamentally undermines the plugin's core security mechanism designed to protect restricted content from unauthorized access, potentially exposing sensitive data to malicious actors without proper authentication credentials.
The technical nature of this vulnerability stems from improper access control implementation within the plugin's REST API handlers. When the plugin processes requests through its API endpoints, it fails to adequately validate whether incoming requests possess proper authentication credentials or authorization levels required to access restricted content. This weakness allows unauthenticated attackers to craft malicious API requests that bypass the plugin's default restriction settings, effectively circumventing the intended access controls that should prevent unauthorized users from viewing protected posts and content. The vulnerability operates at the application layer, exploiting the absence of proper authentication checks before content delivery.
The operational impact of this vulnerability extends beyond simple information disclosure, as it fundamentally compromises the security model of WordPress sites using ARMember. Attackers can exploit this weakness to gain access to premium content, member-only resources, and potentially sensitive user data that should remain protected. This exposure creates opportunities for content theft, intellectual property violations, and potential reputational damage for organizations relying on the plugin for membership management. The vulnerability affects the integrity of the access control system, making it possible for unauthorized parties to access restricted content without any authentication requirements.
Security professionals should consider this vulnerability in the context of CWE-284, which addresses improper access control issues, and aligns with ATT&CK techniques related to privilege escalation and unauthorized access. The flaw represents a significant deviation from secure coding practices, particularly regarding authentication and authorization mechanisms within web applications. Organizations should immediately implement mitigations including updating to the latest plugin version, reviewing and strengthening access controls, and monitoring for unauthorized API access attempts. Additionally, network-level protections such as API rate limiting and firewall rules can help reduce the attack surface while awaiting official patches. The vulnerability underscores the importance of regular security assessments and maintaining updated software components to prevent exploitation of known weaknesses in content management systems.