What is CVE-2019-25738?

CVE-2019-25738 is a critical-severity vulnerability in Framework-y Hybrid Composer, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-06-04.

How severe is CVE-2019-25738?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Framework-y Hybrid Composer

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 t…

Vulnerability class: Broken Authentication

EPSS: 0.001 (23.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Framework-y Hybrid Composer — versions 1.4.6

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2019-25738?: CVE-2019-25738 is a critical-severity vulnerability in Framework-y Hybrid Composer, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-06-04.
How severe is CVE-2019-25738?: Critical severity. CVSS v3 base score is 9.8 out of 10.