Auth bypass in Secure Custom Fields
CVE-2026-92403
The Secure Custom Fields WordPress plugin before 6.9.4 does not properly verify that a front-end form submission corresponds to the form that was rendered to the visitor, allowing unauthenticated users to submit against a different registered form and modify the title and content of the post that form is bound to.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Unknown Secure Custom Fields
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-92403?
- CVE-2026-92403 is a low-severity vulnerability in Secure Custom Fields, classified under Incorrect Authorization. CVSS score: 3.7/10. Published 2026-09-19.
- How severe is CVE-2026-92403?
- Low severity. CVSS v3 base score is 3.7 out of 10.