CVE-2026-32426 in Medilazar Core Plugin
Summary
by MITRE • 03/13/2026
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in themelexus Medilazar Core medilazar-core allows PHP Local File Inclusion.This issue affects Medilazar Core: from n/a through < 1.4.7.
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Analysis
by VulDB Data Team • 03/15/2026
The vulnerability identified as CVE-2026-32426 represents a critical PHP Remote File Inclusion flaw within the themelexus Medilazar Core plugin, specifically impacting versions prior to 1.4.7. This vulnerability falls under the category of improper control of filename for include/require statements, a well-documented weakness that enables attackers to execute arbitrary code by manipulating file inclusion parameters. The flaw exists in the plugin's handling of user-supplied input that is directly used in PHP's include or require functions without proper sanitization or validation. This type of vulnerability is classified as CWE-98 according to the Common Weakness Enumeration catalog, which specifically addresses the improper control of filename for include/require statements in PHP programs.
The technical implementation of this vulnerability allows an attacker to exploit the plugin's file inclusion mechanism by supplying malicious input that gets processed through the include/require statement. When the plugin processes user-controlled parameters that are subsequently passed to these PHP functions, it creates an opportunity for remote code execution through local file inclusion attacks. The vulnerability specifically affects the Medilazar Core plugin, which is commonly used in WordPress environments, making it a significant concern for WordPress site administrators who have not updated to the patched version. Attackers can leverage this flaw to include arbitrary local files or potentially remote files, depending on the server configuration and the specific implementation details of the vulnerable code.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with the ability to execute arbitrary code on affected systems. Successful exploitation can lead to complete system compromise, data theft, and the installation of backdoors or malware. The vulnerability affects WordPress installations that use the themelexus Medilazar Core plugin, potentially exposing thousands of websites to remote code execution attacks. This type of vulnerability is particularly dangerous because it can be exploited without authentication, making it an attractive target for automated attacks. The attack surface is expanded through the use of established attack frameworks and methodologies such as those documented in the MITRE ATT&CK framework under the technique T1059.007 for command and scripting interpreter, where PHP-based attacks can be leveraged for lateral movement and persistence within compromised environments.
The recommended mitigation strategy involves immediate upgrading to version 1.4.7 or later of the Medilazar Core plugin, which contains the necessary patches to address the file inclusion vulnerability. System administrators should also implement proper input validation and sanitization measures to prevent similar vulnerabilities in custom code implementations. Additional defensive measures include restricting file inclusion paths, implementing web application firewalls, and monitoring for suspicious file inclusion patterns. The vulnerability demonstrates the critical importance of keeping WordPress plugins updated and following secure coding practices that prevent direct user input from being used in include/require statements without proper validation. Organizations should conduct thorough security assessments of their WordPress environments to identify other potentially vulnerable plugins or themes that may be susceptible to similar attacks, as this vulnerability represents a common pattern that can be found across various PHP applications and frameworks.