CVE-2026-92403: Unknown Secure Custom Fields

Low severity, CVSS 3.7. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Secure Custom Fields: before 6.9.4 (fixed in 6.9.4)

Published 2026-09-19. Last modified 2026-09-21.