CVE-2026-4020
HighSummary
Wtyczka Gravity SMTP dla WordPressa jest podatna na ujawnienie wrażliwych informacji we wszystkich wersjach do i włącznie z 2.1.4. Problem wynika z punktu końcowego REST API zarejestrowanego pod adresem /wp-json/gravitysmtp/v1/tests/mock-data, który bezwarunkowo zwraca prawdę w callbacku uprawnień, co pozwala na dostęp dla nieautoryzowanych użytkowników.
Risk Assessment
Nieautoryzowani atakujący mogą uzyskać dostęp do szczegółowych danych konfiguracyjnych systemu, co stwarza poważne ryzyko dla bezpieczeństwa organizacji, w tym ujawnienie kluczy API oraz informacji o wersjach oprogramowania.
Recommendation
Zaleca się aktualizację wtyczki Gravity SMTP do najnowszej wersji oraz ograniczenie dostępu do punktu końcowego REST API, aby zapobiec nieautoryzowanemu dostępowi.
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Original NVD description (English source)
The Gravity SMTP plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.1.4. This is due to a REST API endpoint registered at /wp-json/gravitysmtp/v1/tests/mock-data with a permission_callback that unconditionally returns true, allowing any unauthenticated visitor to access it. When the ?page=gravitysmtp-settings query parameter is appended, the plugin's register_connector_data() method populates internal connector data, causing the endpoint to return approximately 365 KB of JSON containing the full System Report. This makes it possible for unauthenticated attackers to retrieve detailed system configuration data including PHP version, loaded extensions, web server version, document root path, database server type and version, WordPress version, all active plugins with versions, active theme, WordPress configuration details, database table names, and any API keys/tokens configured in the plugin.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS