CVE-2024-54291: Arbitrary File Access in PluginPass

The Arbitrary File Access vulnerability in PluginPass allows an attacker to read any file accessible by the webserver process. This includes configuration files, source code, and potentially even sensitive data like database credentials or API keys. Successful exploitation could lead to complete compromise of the WordPress site and the underlying server. An attacker could leverage this to gain a deeper understanding of the system, exfiltrate data, or even execute arbitrary code if they can locate and execute a suitable file. The impact is amplified if the server hosts multiple websites or applications, as a compromised PluginPass instance could provide a foothold for attacking other services on the same server.

1. Reserved2024-12-02
2. Published2025-03-28
3. EPSS updated2026-04-02

The primary mitigation for CVE-2024-54291 is to immediately upgrade PluginPass to version 0.9.11 or later. If upgrading is not immediately feasible due to compatibility issues or testing requirements, consider implementing a temporary workaround by restricting file access permissions on the server. This can be achieved by configuring the web server (e.g., Apache, Nginx) to deny access to sensitive directories. Additionally, implement a Web Application Firewall (WAF) rule to block requests containing path traversal sequences (e.g., ../). After upgrading, verify the fix by attempting to access a restricted file via a web browser; access should be denied.