CVE-2026-92403

Secure Custom Fields < 6.9.4 - Unauthenticated Post Modification via Front-End Form ID Substitution

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

Secure Custom Fields

CVSS v3.1 CNA

3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.27% chance of exploitation in the next 30 days, 17th percentile

Published

2026-09-19

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/740341ca-6419-4980-8ee9-d9e5c0f8df92/

References

• CVE Record
• NVD entry