CVE-2025-4206: Arbitrary File Access in Groundhogg

The primary impact of CVE-2025-4206 is the potential for remote code execution (RCE). By leveraging the insufficient file path validation in the processexportdelete and processimportdelete functions, an attacker can delete critical files, such as wp-config.php. Deletion of wp-config.php would effectively grant the attacker complete control over the WordPress installation, enabling them to modify the database, install malicious code, and compromise the entire website. The vulnerability requires authentication as an administrator or higher, limiting the scope of potential attackers but still posing a significant risk to sites with compromised administrator accounts or weak password policies. The ability to delete arbitrary files also opens the door to data exfiltration and denial-of-service attacks.

1. Reserved2025-05-01
2. Published2025-05-09
3. Modified2026-04-08
4. EPSS updated2026-03-23

The primary mitigation for CVE-2025-4206 is to immediately upgrade Groundhogg to a patched version. The vendor has not released a specific fixed version in the provided data, so monitor the Groundhogg website and WordPress plugin repository for updates. As a temporary workaround, restrict file upload permissions for the WordPress user account used by Groundhogg. Implement a Web Application Firewall (WAF) with rules to block suspicious file deletion requests targeting the processexportdelete and processimportdelete endpoints. Regularly review WordPress user permissions and enforce strong password policies to minimize the risk of administrator account compromise. After upgrading, confirm the vulnerability is resolved by attempting a file deletion request through the plugin's export/import functionality and verifying that the request is denied.

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