CVE-2019-25738

critical

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.

References

https://www.vulncheck.com/advisories/wordpress-hybrid-composer-unauthenticated-settings-change

https://www.exploit-db.com/exploits/47154

https://labs.sucuri.net/wptf-hybrid-composer-unauthenticated-arbitrary-options-update/

http://wordpress.framework-y.com/hybrid-composer/

http://wordpress.framework-y.com

Details

Source: Mitre, NVD

Published: 2026-06-04

Updated: 2026-06-04

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.0008