MiwoFTP Plugin for WordPress Arbitrary File Download Scanner

WordPress is a popular content management system used worldwide for setting up personal and professional websites. The platform offers a range of functionalities and can be enhanced through the use of plugins like MiwoFTP. MiwoFTP is a file manager plugin for WordPress, designed to provide users with easy access and management of files within their site. This plugin is particularly useful for users who need to perform quick file operations without accessing their server backend. Nonetheless, like many plugins, MiwoFTP needs to be securely configured to prevent vulnerabilities. Regular updates help maintain the site's integrity against potential exploits.

The Arbitrary File Download vulnerability in MiwoFTP Plugin allows unauthorized users to download any file available on the server where the website is hosted. Such vulnerabilities generally arise when input parameters are not properly validated, allowing intruders to manipulate requests and gain unauthorized access. This issue is severe because it potentially exposes sensitive information, such as configuration files, which can further compromise the security of the website. Ensuring the plugin is devoid of such vulnerabilities protects both the site administrators and their users from potential data breaches.

The technical details of the MiwoFTP vulnerability reveal that the exploit stems from the 'item' parameter within a plugin request, specifically when downloading files. By manipulating this parameter, attackers can request sensitive files like 'wp-config.php', which contains critical database credentials. The lack of proper validation of the 'item' parameter means the system inadvertently allows access to files beyond the intended scope. Security measures, such as parameter sanitization and restricting file paths, can mitigate this vulnerability.

Exploitation of this vulnerability can have significant consequences, ranging from data theft to complete site compromise. An attacker could extract sensitive data, such as database passwords, usernames, and other essential credentials, leading to unauthorized access. Furthermore, with control over the server, attackers can potentially upload malicious files, escalating their ability to cause damage or exfiltrate data. Such impacts reiterate the need for regular vulnerability scans and application of security patches.

REFERENCES

• https://wordpress.org/plugins/miwoftp/changelog/