CVE-2019-25738

CriticalCVSS 9.8/10Last modified Jul 22, 2026

Description

WordPress Hybrid Composer 1.4.6 contains an unauthenticated settings change vulnerability that allows unauthenticated attackers to modify WordPress options by exploiting the hc_ajax_save_option action. Attackers can send POST requests to the admin-ajax.php endpoint with the action parameter set to hc_ajax_save_option to enable user registration and set the default role to administrator, enabling account takeover.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-306

Affected software

No affected versions have been published.

Timeline

Published
Jun 4, 2026
Last modified
Jul 22, 2026
NVD status
Deferred

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CVE-2019-25738: Critical severity, CVSS 9.8 | Vulnix