WordPress Twenty Sixteen Information Disclosure Scanner

WordPress Twenty Sixteen is a default theme for WordPress, a popular content management system used by millions of websites around the world. It was designed to ensure compatibility with the latest WordPress features while maintaining a clean and straightforward visual style. Website administrators and developers utilize this theme to create or update their sites with ease, leveraging its customizable features. The theme's accessibility, ease of modification, and integration with plugins make it a widely adopted choice within the WordPress community. However, like any widely used software, it is susceptible to vulnerabilities that can expose server information or lead to further exploitation. Resolving these vulnerabilities is critical to maintaining the integrity and security of websites utilizing this theme.

The Information Disclosure vulnerability in WordPress Twenty Sixteen arises due to openly accessible theme files without proper security constraints such as ABSPATH protection. This misconfiguration allows attackers to access server path information, exposing sensitive data through PHP error messages when files are accessed directly. This exposure can lead to unauthorized access or further exploitation if malicious entities obtain critical path data. Information Disclosure vulnerabilities like this can serve as entry points for targeted attacks against the server or the broader network. Detecting and addressing such vulnerabilities promptly is essential to safeguarding the web infrastructure.

Technically, the vulnerability stems from the lack of access control and configuration issues within the theme files, particularly concerning the functions.php file. When accessed directly, these files return PHP error messages that can reveal server path details. Critical conditions for the vulnerability include a status code of 200 and specific error messages indicating function calls to undefined functions within the theme's directory. Attackers can potentially use automated tools to detect and exploit these weaknesses, potentially leading to extraction of sensitive directory information.

If exploited, the Information Disclosure vulnerability can lead to various severe impacts on a compromised website. For instance, attackers can map the structure of the server to find other exploitable areas. Additionally, the exposed path data may enable attackers to perform subsequent attacks such as Remote File Inclusion (RFI) or further reconnaissance activities. Thus, it can indirectly facilitate further compromises, affecting website functionality and data integrity. Website owners can face reputational damage, financial loss, and the burden of remedial efforts if this vulnerability is not addressed timely.

REFERENCES

• https://wordpress.org/themes/twentysixteen/