CVE-2025-6722 in BitFire Plugin
Summary
by MITRE • 08/02/2025
The BitFire Security – Firewall, WAF, Bot/Spam Blocker, Login Security plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.5 via the bitfire_* directory that automatically gets created and stores potentially sensitive files without any access restrictions. This makes it possible for unauthenticated attackers to extract sensitive data from various files like config.ini, debug.log, and more.
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Analysis
by VulDB Data Team • 08/05/2025
The BitFire Security plugin for WordPress presents a critical security vulnerability classified as sensitive information exposure through improper access control mechanisms. This vulnerability affects all versions up to and including 4.5 and stems from the automatic creation of a bitfire_* directory that lacks any form of access restriction or authentication requirements. The flaw allows unauthenticated attackers to directly access potentially sensitive files stored within this directory structure, creating a significant risk for WordPress installations that rely on this security plugin for protection.
The technical implementation of this vulnerability involves the creation of a directory structure that bypasses standard WordPress security protocols and access controls. The bitfire_* directory serves as an unintended attack surface where sensitive configuration files, debug logs, and potentially other system information are stored without proper authorization checks. This directory structure represents a violation of the principle of least privilege, as it provides unrestricted access to sensitive data that should typically be protected within a WordPress installation. The vulnerability directly maps to CWE-200, which defines weaknesses related to improper information exposure, and demonstrates a clear failure in implementing proper access control measures.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with potential access to configuration files that may contain database credentials, API keys, or other sensitive system information. Files such as config.ini and debug.log often contain valuable data including database connection strings, administrative credentials, or system paths that could be leveraged for further attacks. This exposure creates a pathway for attackers to escalate privileges or gain deeper access to the WordPress installation, potentially leading to full system compromise. The vulnerability aligns with ATT&CK technique T1213.002, which covers data from information repositories, and represents a critical weakness in the security posture of affected systems.
Mitigation strategies should prioritize immediate remediation through plugin updates to versions that address this access control issue. Administrators must ensure that the bitfire_* directory is properly secured or removed from the WordPress installation, implementing proper access controls that restrict file access to authorized personnel only. Security monitoring should include scanning for the presence of this directory structure and ensuring that no sensitive data is stored within it without proper protection mechanisms. Network-level protections such as web application firewalls should be configured to detect and block access attempts to known vulnerable directory structures. Additionally, regular security audits should verify that no sensitive information is stored in directories without proper access controls, and that the principle of least privilege is maintained across all WordPress plugin installations.