CVE-2025-12129 is an information exposure vulnerability classified under CWE-200 affecting the CubeWP Framework WordPress plugin, specifically versions up to and including 1.1.27. The vulnerability arises because the REST API endpoints /cubewp-posts/v1/query-new and /cubewp-posts/v1/query do not enforce sufficient access restrictions on post visibility. This flaw allows unauthenticated attackers to retrieve data from posts that are password-protected, private, or in draft status, which should normally be inaccessible without proper authorization. The issue stems from improper validation of user permissions when querying posts via these API endpoints, leading to unauthorized disclosure of sensitive content. The vulnerability has a CVSS 3.1 base score of 5.3, indicating medium severity, with an attack vector of network (remote exploitation), low attack complexity, no privileges required, and no user interaction needed. The impact is limited to confidentiality loss, with no integrity or availability impact. No public exploits have been reported yet, but the vulnerability poses a risk to any WordPress site using the CubeWP plugin, especially those hosting sensitive or confidential content. The vulnerability was publicly disclosed in January 2026, with no patch links currently available, emphasizing the need for immediate attention from site administrators.

For European organizations, this vulnerability could lead to unauthorized disclosure of sensitive internal content, including confidential drafts or password-protected posts, potentially exposing intellectual property, strategic plans, or personal data. This exposure could result in reputational damage, regulatory compliance issues under GDPR due to unauthorized data access, and potential competitive disadvantage. Since the vulnerability allows unauthenticated remote access, attackers can exploit it without any prior access or user interaction, increasing the risk of automated scanning and data harvesting campaigns. Organizations relying on CubeWP for dynamic content management on WordPress sites, especially those handling sensitive or regulated information, face a heightened risk. The impact is primarily on confidentiality; however, the breach of sensitive information could indirectly affect business operations and trust. Given the widespread use of WordPress in Europe, the vulnerability presents a significant risk vector for data leakage if not promptly addressed.

1. Monitor CubeWP vendor channels for official patches and apply updates immediately once available. 2. Until a patch is released, restrict access to the vulnerable REST API endpoints by implementing web application firewall (WAF) rules that block or limit access to /cubewp-posts/v1/query-new and /cubewp-posts/v1/query endpoints from untrusted IP addresses. 3. Use WordPress security plugins or custom code to enforce stricter permission checks on REST API endpoints, ensuring only authenticated and authorized users can query sensitive post data. 4. Conduct an audit of all CubeWP plugin instances across the organization to identify affected versions and prioritize remediation. 5. Implement network segmentation and access controls to limit exposure of WordPress management interfaces to internal or trusted networks. 6. Review and tighten WordPress user roles and permissions to minimize unnecessary access to sensitive content. 7. Monitor logs for unusual API access patterns that could indicate exploitation attempts. 8. Educate site administrators about the risks of exposing sensitive content via REST APIs and best practices for plugin management.