CVE-2019-25738

critical · 9.3

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.

9.3

CVSS

0.3%

EPSS (exploit prob.)

28th

EPSS percentile

2026-06-04

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-306

References

http://wordpress.framework-y.com
http://wordpress.framework-y.com/hybrid-composer/
https://labs.sucuri.net/wptf-hybrid-composer-unauthenticated-arbitrary-options-update/
https://www.exploit-db.com/exploits/47154
https://www.vulncheck.com/advisories/wordpress-hybrid-composer-unauthenticated-settings-change

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2019-25738