CVE-2024-6545 in Admin Trim Interface Plugin
Summary
by MITRE • 07/27/2024
The Admin Trim Interface plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 3.5.1. This is due to the plugin utilizing bootstrap and leaving test files with display_errors on. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 07/30/2024
The CVE-2024-6545 vulnerability affects the Admin Trim Interface plugin for WordPress, presenting a full path disclosure issue that compromises the security posture of affected installations. This vulnerability exists in all versions up to and including 3.5.1, making it a widespread concern for WordPress administrators who have not yet updated their plugins. The flaw stems from the plugin's implementation of bootstrap functionality alongside the presence of test files that have display_errors enabled, creating an exploitable condition that reveals sensitive system information to unauthenticated attackers. The vulnerability operates through the plugin's code structure where test files remain accessible and configured to display PHP errors, which inadvertently exposes the complete file system path of the WordPress installation.
The technical exploitation of this vulnerability occurs through the retrieval of error messages that contain the full server path where the WordPress installation resides. When PHP errors are displayed due to the test files having display_errors enabled, the error output includes the complete file path from the root directory to the specific file location. This information can be obtained by simply accessing certain plugin endpoints or triggering error conditions within the bootstrap process. The vulnerability represents a classic case of insecure error handling where debugging information is exposed in production environments, creating a potential information disclosure vector that can aid more sophisticated attacks. According to CWE-209, this vulnerability maps to improper error handling that reveals sensitive information, while the ATT&CK framework categorizes this under T1212, which involves exploitation of software vulnerabilities to gain intelligence.
The operational impact of CVE-2024-6545 extends beyond simple information disclosure, as the leaked path information serves as valuable reconnaissance data for attackers planning more complex attacks against the affected WordPress installation. While the path disclosure alone does not directly compromise the system, it provides attackers with precise knowledge of the server's file structure, which can be leveraged in conjunction with other vulnerabilities to execute more targeted attacks. The information can be used to identify potential attack vectors such as directory traversal possibilities, locate sensitive configuration files, or determine the underlying server environment. This vulnerability particularly impacts organizations that have not implemented proper security hardening measures, as the test files remain accessible in production environments. The presence of display_errors enabled in test files represents a common misconfiguration that violates security best practices, as it demonstrates poor operational security and inadequate environment separation between development and production systems.
Mitigation strategies for CVE-2024-6545 require immediate action from WordPress administrators to address the root cause of the vulnerability. The primary recommendation involves updating the Admin Trim Interface plugin to a version that resolves this issue, which should be verified through the plugin's official release notes or security advisories. System administrators should also remove or secure any test files that have display_errors enabled, ensuring that error reporting is properly configured for production environments. The configuration should be adjusted to disable error display in production by setting display_errors to Off in php.ini or through appropriate server configuration directives. Additionally, implementing proper file permissions and access controls can prevent unauthorized access to test files that might contain sensitive debugging information. Organizations should also consider implementing web application firewalls that can detect and block attempts to access error-prone endpoints, while regular security audits should verify that no test files or debug configurations remain accessible in production environments. The vulnerability underscores the importance of maintaining secure development practices and proper environment configuration management as outlined in industry standards such as the OWASP Top Ten and NIST cybersecurity frameworks.