CVE-2019-25738

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

04 Jun 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-04 14:16

Updated : 2026-06-04 15:00

NVD link : CVE-2019-25738

Mitre link : CVE-2019-25738

CVE.ORG link : CVE-2019-25738

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

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