CVE-2024-50450 in Meta Data and Taxonomies Filter Plugin
Summary
by MITRE • 10/28/2024
Improper Control of Generation of Code ('Code Injection') vulnerability in RealMag777 MDTF wp-meta-data-filter-and-taxonomy-filter allows Code Injection.This issue affects MDTF: from n/a through <= 1.3.3.4.
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Analysis
by VulDB Data Team • 04/06/2026
The vulnerability identified as CVE-2024-50450 represents a critical code injection flaw within the RealMag777 MDTF wp-meta-data-filter-and-taxonomy-filter plugin, classified under the improper control of code generation weakness. This vulnerability falls squarely within the purview of CWE-94, which specifically addresses the execution of arbitrary code due to insufficient input validation or sanitization. The issue manifests in a manner that allows attackers to inject malicious code into the plugin's metadata filtering and taxonomy filtering functionalities, potentially compromising the entire WordPress environment where the plugin is installed.
The technical exploitation of this vulnerability occurs through the plugin's handling of user-supplied input within meta-data and taxonomy filter parameters. When the plugin processes these inputs without adequate sanitization or validation, it creates an environment where malicious actors can inject arbitrary PHP code or other executable content. The affected version range spans from the initial release through version 1.3.3.4, indicating that the vulnerability has persisted across multiple iterations of the plugin, suggesting a fundamental flaw in the code implementation rather than a temporary oversight. This code injection capability enables attackers to execute malicious commands on the target system, potentially leading to complete compromise of the WordPress installation.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with a foothold for more sophisticated attacks within the WordPress ecosystem. According to ATT&CK framework methodology, this vulnerability maps to T1059.007 for Windows Command Shell and T1059.001 for Unix Shell, as attackers can leverage the injected code to execute system commands. The implications include potential data exfiltration, unauthorized access to sensitive information, and the ability to establish persistent backdoors within the compromised environment. The vulnerability affects not only individual sites but also poses risks to entire WordPress networks where the plugin is deployed across multiple installations.
Mitigation strategies for this vulnerability require immediate action from system administrators and security teams. The most effective immediate solution involves updating the MDTF plugin to version 1.3.3.5 or later, where the code injection vulnerability has been addressed through proper input sanitization and validation mechanisms. Additionally, implementing proper input validation at the application level, including the use of allowlists for parameter values and comprehensive output encoding, can help prevent exploitation attempts. Security monitoring should be enhanced to detect unusual patterns in plugin usage and potential injection attempts. Organizations should also consider implementing web application firewalls and runtime application self-protection measures to provide additional layers of defense against code injection attacks targeting this specific vulnerability.