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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
framework-y Hybrid Composer affected
Version Status Constraints
1.4.6 affected —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Thu, 04 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 04 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
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.
Title WordPress Hybrid Composer 1.4.6 Unauthenticated Settings Change
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-04T13:44:23.414Z

Reserved: 2026-06-04T11:06:42.368Z

Link: CVE-2019-25738

cve-icon Vulnrichment

Updated: 2026-06-04T13:44:20.691Z

cve-icon NVD

Status : Deferred

Published: 2026-06-04T14:16:32.180

Modified: 2026-06-04T15:00:40.757

Link: CVE-2019-25738

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-04T14:45:16Z

Weaknesses