CVE Catalog

CVE-2026-6963

High
Published: Translated: NVD NIST

Summary

The WP Mail Gateway plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the wmg_save_provider_config AJAX action in all versions up to and including 1.8. This allows authenticated attackers with Subscriber-level access and above to update SMTP settings and redirect mail.

Risk Assessment

Attackers can exploit this vulnerability for privilege escalation, allowing them to trigger a password reset and gain access to an administrator's account. This poses a serious security risk to the system.

Recommendation

It is recommended to update the WP Mail Gateway plugin to the latest version to mitigate this vulnerability. Additionally, implementing further permission checks for AJAX actions is advisable.

Related vulnerabilities

Original NVD description (English source)

The WP Mail Gateway plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the wmg_save_provider_config AJAX action in all versions up to, and including, 1.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update SMTP settings and redirect mail which can be used for privilege escalation by triggering a password reset email and using that to access and administrator's account.

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