CVE-2019-25738 | WordPress Hybrid Composer 1.4.6 contains an unauthenticated … | CVSS 9.8 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.

Metadata

CVE ID: CVE-2019-25738
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-04 11:06 UTC
Published: 2026-06-04 13:22 UTC
Last updated: 2026-07-28 01:47 UTC
Primary CWE: CWE-306
Missing Authentication for Critical Function
Vendor / Product: framework-y / Hybrid Composer
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
framework-y	Hybrid Composer	—	1.4.6

Weakness (CWE)

CWE	Source	Description
CWE-306	cna	Missing Authentication for Critical Function

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	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

References (5)

ExploitDB-47154 https://www.exploit-db.com/exploits/47154
Official Product Homepage http://wordpress.framework-y.com
Product Reference http://wordpress.framework-y.com/hybrid-composer/
Reference https://labs.sucuri.net/wptf-hybrid-composer-unauthenticated-arbitrary-options-update/
VulnCheck Advisory: WordPress Hybrid Composer 1.4.6 Unauthenticated Settings Change https://www.vulncheck.com/advisories/wordpress-hybrid-composer-unauthenticated-settings-change