CVE-2026-92403
Received Received - Intake

Unauthenticated Form Submission in Secure Custom Fields WordPress Plugin

Publication date: 2026-09-19

Last updated on: 2026-09-19

Assigner: WPScan

Description
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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-19
Last Modified
2026-09-19
Generated
2026-09-20
AI Q&A
2026-09-20
EPSS Evaluated
N/A
NVD
CVE-2026-92403

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
secure_custom_fields secure_custom_fields to 6.9.4 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is in the Secure Custom Fields WordPress plugin before version 6.9.4. It allows unauthenticated users to submit form data that does not match the form they viewed, enabling them to change the title and content of posts tied to that form.

Impact Analysis

An attacker could modify post titles and content without permission, potentially spreading misinformation, defacing content, or altering critical information on your WordPress site.

Compliance Impact

This vulnerability could lead to unauthorized content changes, potentially violating integrity requirements in GDPR or HIPAA if sensitive data is altered. However, specific compliance impacts depend on the data involved.

Mitigation Strategies

Update the Secure Custom Fields WordPress plugin to version 6.9.4 or later to address the vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-92403. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart