Threat actors are exploiting an unauthenticated information disclosure vulnerability in the WordPress plugin Gravity SMTP, active on 100,000 sites.

Threat actors are exploiting an unauthenticated information disclosure vulnerability in the WordPress plugin Gravity SMTP, active on 100,000 sites.

Attackers are exploiting CVE-2026-4020 in Gravity SMTP to leak API keys, OAuth tokens, and system data from WordPress sites.

Wordfence has blocked 17M+ exploit attempts targeting a Gravity SMTP bug that leaks API keys, OAuth tokens, and full system reports without authentication.

Angreifer verschaffen sich auf Wordpress-Websites mit Gravity-SMTP-Plug-in Zugriff auf eigentlich geschützte Daten.

Hackers are exploiting a vulnerability in the Gravity SMTP WordPress plugin to extract configuration data, including API keys and tokens.