CVE-2024-35166 in Filebird Plugin
Summary
by MITRE • 05/14/2024
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Ninja Team Filebird.This issue affects Filebird: from n/a through 5.6.3.
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Analysis
by VulDB Data Team • 04/16/2025
The vulnerability identified as CVE-2024-35166 represents a critical exposure of sensitive information to unauthorized actors within the Filebird plugin ecosystem developed by Ninja Team. This security flaw exists in versions ranging from an unspecified starting point through version 5.6.3, creating a significant risk for WordPress installations that utilize this file management plugin. The vulnerability manifests as an information disclosure issue that could potentially allow attackers to access confidential data that should remain restricted to authorized users only.
This exposure occurs due to inadequate access controls and insufficient validation mechanisms within the plugin's file handling and retrieval processes. The technical implementation fails to properly verify user permissions before serving sensitive file information or metadata to requesting clients. When users access certain endpoints or perform specific operations within the Filebird interface, the system does not adequately authenticate or authorize these requests, resulting in unintended data leakage. The vulnerability aligns with CWE-200, which specifically addresses the exposure of sensitive information to unauthorized actors, and represents a classic case of insufficient access control mechanisms.
The operational impact of this vulnerability extends beyond simple data leakage, as it could enable attackers to gain insights into file structures, user permissions, and potentially sensitive metadata within the affected WordPress installations. Attackers might exploit this weakness to discover file paths, user credentials, or other confidential information that could be leveraged for further attacks. The exposure could facilitate more sophisticated exploitation techniques such as privilege escalation or lateral movement within compromised environments. Organizations relying on Filebird for document management could face significant security implications, including potential compliance violations and data breach consequences.
Security professionals should prioritize immediate remediation of this vulnerability by upgrading to the latest version of Filebird where the issue has been addressed. The mitigation strategy should include implementing network segmentation to limit access to affected systems, monitoring for unauthorized access attempts, and conducting comprehensive security audits of file management systems. Additionally, organizations should review their access control policies and ensure that all file handling operations properly validate user permissions before providing any sensitive information. This vulnerability demonstrates the critical importance of proper access control implementation and the potential consequences of inadequate security measures in file management systems.
The ATT&CK framework categorizes this vulnerability under the information disclosure tactic, specifically related to credential access and reconnaissance activities. Attackers could use the leaked information to build detailed profiles of file systems and identify potential targets for further exploitation. The vulnerability's impact is compounded by the fact that it affects a widely used plugin, increasing the attack surface and potential for widespread exploitation across multiple WordPress installations. Organizations should consider implementing additional monitoring and logging mechanisms to detect and respond to unauthorized access attempts that might exploit this information disclosure vulnerability.