CVE-2019-25738: Framework-Y Hybrid Composer

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Framework-Y Hybrid Composer: version 1.4.6 only

Published 2026-06-04. Last modified 2026-07-22.