CVE-2025-2512 in File Away Plugin
Summary
by MITRE • 03/19/2025
The File Away plugin for WordPress is vulnerable to arbitrary file uploads due to a missing capability check and missing file type validation in the upload() function in all versions up to, and including, 3.9.9.0.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
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Analysis
by VulDB Data Team • 08/11/2025
The File Away plugin for WordPress represents a critical security vulnerability that has been identified through CVE-2025-2512, affecting all versions up to and including 3.9.9.0.1. This vulnerability stems from a fundamental flaw in the plugin's upload functionality where proper access controls and file validation mechanisms have been completely omitted. The absence of capability checks means that any user, authenticated or not, can attempt to upload files to the target WordPress installation without proper authorization. This represents a severe deviation from standard security practices where plugins should always verify user permissions before allowing file operations. The vulnerability aligns with CWE-434 which specifically addresses insecure file upload vulnerabilities where applications accept untrusted data without proper validation or access control measures. The flaw creates an exploitable entry point that bypasses WordPress's core security model and user permission system.
The technical implementation of this vulnerability occurs within the upload() function of the File Away plugin where no validation occurs on the file types being uploaded. Attackers can exploit this by sending malicious files through the upload endpoint, potentially including executable scripts, web shells, or other malicious payloads. The missing file type validation creates a pathway for attackers to upload files with extensions such as .php, .asp, .jsp, or other server-side script formats that could execute code on the target server. This vulnerability operates at the application layer and can be exploited through standard HTTP requests to the WordPress installation. The lack of file extension filtering, content type validation, and proper file size restrictions means that attackers can upload files of any type, size, or content without detection or prevention by the plugin's security mechanisms.
The operational impact of CVE-2025-2512 extends far beyond simple unauthorized file uploads, as it creates a potential pathway for complete system compromise. Unauthenticated attackers can leverage this vulnerability to establish persistent access to the target WordPress site, potentially leading to data exfiltration, defacement, or the installation of additional malware. The ability to upload arbitrary files means that attackers could deploy web shells, backdoors, or other malicious software that would allow them to maintain control over the compromised system. This vulnerability particularly affects WordPress environments where the File Away plugin is installed, and the impact is amplified when the web server has sufficient permissions to execute uploaded files. The vulnerability can be exploited through automated scanning tools that look for common WordPress plugin paths and endpoints, making it a high-value target for mass exploitation campaigns. According to ATT&CK framework, this vulnerability maps to T1190 - Exploit Public-Facing Application, where attackers leverage exposed web applications to gain initial access, and T1059 - Command and Scripting Interpreter, where the uploaded files can be used to execute commands on the compromised system.
Immediate mitigation strategies should focus on disabling or uninstalling the vulnerable File Away plugin until a patched version is available, as this represents the most effective immediate protection. Organizations should also implement additional security measures such as restricting file upload capabilities through web server configurations, implementing proper file type validation at the server level, and deploying web application firewalls that can detect and block suspicious upload attempts. Network-level protections such as intrusion detection systems and proper monitoring of file upload activities should be implemented to detect exploitation attempts. The vulnerability also highlights the importance of regular security audits and proper input validation practices, as outlined in OWASP Top 10 and other security standards. Administrators should ensure that all WordPress plugins are kept up to date and that proper access controls are maintained across all application components. The vulnerability demonstrates how seemingly simple security flaws can create cascading effects that compromise entire systems, emphasizing the critical need for comprehensive security testing and proper security architecture practices.