CVE Catalog

CVE-2026-4030

High
Published: Translated: NVD NIST

Summary

The Database Backup plugin for WordPress is vulnerable to unauthorized arbitrary file read and deletion in all versions up to and including 2.5.2. This is due to the plugin not properly enforcing the return value of its authorization check combined with a user-controlled backup directory parameter.

Risk Assessment

Unauthenticated attackers can read and delete arbitrary files on the server, leading to Sensitive Information Exposure and potential site takeover. This vulnerability is only exploitable in WordPress Multisite environments where the deprecated is_site_admin() function exists.

Recommendation

It is recommended to update the Database Backup plugin to the latest version and review the security configuration of WordPress to minimize the risk of unauthorized access.

Related vulnerabilities

Original NVD description (English source)

The Database Backup for WordPress plugin for WordPress is vulnerable to unauthorized arbitrary file read and deletion in all versions up to, and including, 2.5.2. This is due to the plugin not properly enforcing the return value of its authorization check combined with a user-controlled backup directory parameter. This makes it possible for unauthenticated attackers to read and delete arbitrary files on the server, leading to Sensitive Information Exposure and potential site takeover. Note: This vulnerability is only exploitable in WordPress Multisite environments where the deprecated is_site_admin() function exists.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS