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CVE-2019-25738

9.8 · CRITICAL

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 act…

Published Jun 4, 2026CWE-306EPSS 0.35%

Overview

CVE-2019-25738 is a critical-severity vulnerability. It was published on June 4, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwordpress.framework-y.comRefwordpress.framework-y.com/hybrid-composer/Reflabs.sucuri.net/wptf-hybrid-composer-unauthenticated-arbitrary-options-update/Refwww.exploit-db.com/exploits/47154Refwww.vulncheck.com/advisories/wordpress-hybrid-composer-unauthenticated-settings-change

How CyberStrike helps

Frequently asked questions

What is CVE-2019-25738?

CVE-2019-25738 is a critical-severity vulnerability. It was published on June 4, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2019-25738?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-25738?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-25738?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-25738 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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