Quttera Web Malware Scanner is a plugin used by WordPress site administrators to scan their websites for malware and other security threats. It is widely adopted by website owners, security professionals, and IT administrators to ensure the safety and integrity of their online presence. The plugin offers detailed scan reports and identifies potential vulnerabilities within the website. By using this tool, users can proactively protect their sites from malicious attacks. It is crucial for maintaining a secure and healthy website environment.
The Information Disclosure vulnerability in Quttera Web Malware Scanner allows unauthorized access to detailed scan logs. These logs may reveal sensitive information such as local paths and portions of the site's code. This vulnerability can be exploited without any authentication, posing a significant risk to the site's security. It affects versions of the plugin up to and including 3.4.1.48.
The vulnerability resides in the Quttera Web Malware Scanner plugin for WordPress, specifically in versions up to 3.4.1.48. The plugin does not restrict access to its detailed scan logs, which are stored in a publicly accessible location. This can be exploited by an attacker to read the contents of the scan logs by accessing a specific URL path. The logs contain sensitive information such as local file paths and fragments of the site's code, which can aid in further attacks. The vulnerable endpoint is typically located at /wp-content/plugins/quttera-web-malware-scanner/quttera_wp_report.txt.
Exploiting this vulnerability can lead to unauthorized disclosure of sensitive information. Attackers can gain insights into the file structure and code of the website, which can be used to launch more sophisticated attacks. This information disclosure could compromise the security of the website, leading to potential data breaches or further exploitation. Site integrity and user trust can be significantly impacted.
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References:
- Update the Quttera Web Malware Scanner plugin to version 3.4.2.1 or later.
- Restrict access to the scan logs by configuring appropriate file permissions.
- Regularly review and audit your website’s security settings and access controls.
- Implement additional security measures such as web application firewalls to prevent unauthorized access.
- Monitor for any unusual activities or unauthorized access attempts to ensure ongoing protection.
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