WordPress Widget Logic Full Path Disclosure Scanner

WordPress Widget Logic is a plugin used by WordPress website administrators to control the widget display logic on their sites. This plugin is popular for its capability to provide conditional logic to manage widget visibility based on user-defined criteria. WordPress, as a widely used content management system, utilizes plugins like Widget Logic for enhanced customization and personalization. This kind of tool is particularly beneficial for web developers and site administrators who seek to tailor user experiences on their websites. Compatibility with a vast array of themes and other plugins makes WordPress Widget Logic a versatile tool in the WordPress ecosystem. It is extensively used in building dynamic and interactive websites, where customizing widget display is integral to the site's functionality.

The Full Path Disclosure vulnerability allows attackers to access and view sensitive server path information. This vulnerability arises when publicly accessible plugin files do not properly protect against directory traversal, allowing attackers to trigger PHP error messages that reveal critical server paths. The disclosed path information can be leveraged in further attacks, providing attackers with valuable insights into the server's directory structure. Such vulnerabilities typically occur due to misconfigurations in plugin settings, where improper handling of error messages can lead to information disclosure. Identifying these vulnerabilities is crucial in safeguarding server-side data from unauthorized access.

The technical details of this vulnerability involve accessing the plugin files directly, such as 'widget_logic_admin_options.php' and 'widget-logic.php'. When accessed without proper authorization, these files can expose sensitive server paths via PHP error messages like "Fatal error" or "Warning: failed to open stream". The vulnerable endpoint does not implement sufficient access controls, allowing direct access to unauthorized users, which further leads to Full Path Disclosure. Matchers in the detection mechanism check for HTTP response codes such as 200 or 500, along with typical error message patterns in the response body.

Exploiting this vulnerability can have various adverse effects, including aiding attackers in crafting more sophisticated attacks by understanding the server's directory structure. With knowledge of the server path, malicious users might attempt additional attacks such as arbitrary file access or even code execution if other vulnerabilities are present. The disclosure of server paths can also assist attackers in bypassing security mechanisms or locating sensitive files for tampering. Ultimately, the vulnerability poses a significant risk to the confidentiality and integrity of the server environment.

REFERENCES

• https://wordpress.org/plugins/widget-logic/