CVE-2024-1587 in Newsmatic Plugin
Summary
by MITRE • 04/09/2024
The Newsmatic theme for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.3.0 via the 'newsmatic_filter_posts_load_tab_content'. This makes it possible for unauthenticated attackers to view draft posts and post content.
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Analysis
by VulDB Data Team • 04/14/2026
The vulnerability identified as CVE-2024-1587 affects the Newsmatic theme for WordPress, representing a critical sensitive information exposure issue that has persisted across all versions up to and including 1.3.0. This flaw resides within the 'newsmatic_filter_posts_load_tab_content' functionality, which serves as an endpoint for loading tabbed content on WordPress sites. The vulnerability allows unauthenticated attackers to bypass normal access controls and retrieve draft posts and sensitive post content that should typically be restricted to authorized users only. This represents a significant compromise of content confidentiality and could expose organizations to various operational risks including intellectual property theft, competitive intelligence leakage, and potential reputational damage.
The technical mechanism behind this vulnerability stems from inadequate authentication and authorization checks within the theme's AJAX handling system. When the 'newsmatic_filter_posts_load_tab_content' endpoint processes requests, it fails to properly validate whether the requesting user has appropriate permissions to access the requested content. This weakness creates an access control bypass scenario where any attacker can craft malicious requests to retrieve draft content without requiring valid credentials or administrative privileges. The vulnerability is classified under CWE-284, which specifically addresses improper access control, and aligns with ATT&CK technique T1213.002 related to data from information repositories. The flaw essentially allows attackers to exploit the theme's legitimate content loading functionality to gain unauthorized access to protected information.
The operational impact of this vulnerability extends beyond simple information disclosure, as draft posts often contain sensitive business information, strategic plans, upcoming product announcements, or confidential communications that could be leveraged by competitors or malicious actors. Organizations using affected versions of the Newsmatic theme face immediate risk of data leakage, potential regulatory compliance violations, and damage to their competitive position. The vulnerability affects any WordPress site utilizing the Newsmatic theme, making it particularly concerning given the theme's widespread adoption. Attackers could systematically harvest content from multiple sites, potentially identifying patterns in content creation, business strategies, or internal communications that could be used for social engineering attacks or targeted exploitation of other systems.
Mitigation strategies for CVE-2024-1587 require immediate action from affected organizations to update to the patched version of the Newsmatic theme, as this represents the most effective solution to address the root cause of the vulnerability. System administrators should also implement network-level monitoring to detect unusual traffic patterns that might indicate exploitation attempts targeting the vulnerable endpoint. Additional defensive measures include restricting access to the WordPress admin and AJAX endpoints through firewall rules, implementing rate limiting on content loading requests, and conducting comprehensive security audits of all installed themes and plugins. Organizations should also review their content publishing workflows and ensure proper access controls are in place to minimize the impact of potential information exposure. The vulnerability demonstrates the importance of regular security updates and proper input validation in WordPress themes, particularly those that handle dynamic content loading and user interactions.