The GEO my WP is a popular WordPress plugin used to enhance websites with geolocation features, primarily for businesses and developers seeking location-based functionalities. The plugin is employed by site administrators for designing custom location-based search forms, providing geolocation capabilities for users, and handling location data for various posts and users. Its flexibility allows integration with various themes and customization, making it attractive to numerous WordPress site owners aiming for enhanced user interaction through location data. The plugin helps in building advanced search and directory websites where geographical data plays a critical role in user experience.
The vulnerability identified in the GEO my WP plugin is a Local File Inclusion (LFI), allowing unauthenticated attackers to potentially exploit the weak handling of file paths. This issue arises from improper validation in the gmw_posts_locator_ajax_info_window_loader function. An attacker could leverage this flaw to include arbitrary files from the server, potentially leading to the execution of unauthorized scripts. This could allow malicious actors to access sensitive information and execute unwanted code at the server level, compromising the integrity and security of the website.
The technical detail of this vulnerability includes a lack of appropriate checks on inputs that allow file path manipulation. The flaw allows attackers to utilize specific HTTP requests to inject arbitrary file paths into the system. The main target is the 'content_path' parameter present in the AJAX request, exposing files outside the normal permissible access, like '/etc/passwd', which contains the password file in Unix-based systems. This vulnerability can be exploited without any authentication, raising the risk further as attackers do not need credentials to trigger the vulnerability.
Possible effects include full server compromise if the attacker successfully exploits local file inclusion for arbitrary PHP code execution. The compromise would allow attackers to exfiltrate sensitive data or execute commands with high privileges, impacting data confidentiality and system integrity. It can lead to unauthorized access, data leaks, and potentially turning the server into a launchpad for further attacks on other systems.
REFERENCES
- Update the GEO my WP plugin to a version beyond 4.5.5.3 to secure against this vulnerability.
- Apply regular updates and patches for all installed plugins to safeguard against known vulnerabilities.
- Implement input validation and sanitization on all data inputs to prevent unauthorized file inclusion.
- Monitor server logs for unusual activity that may indicate attempts to exploit LFI vulnerabilities.
- Employ web application firewalls to detect and block malicious traffic targeting known vulnerabilities.
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