Answer in brief
CVE-2026-92403 records a Low severity (CVSS 3.7) vulnerability in Secure Custom Fields < 6.9.4 - Unauthenticated Post Modification via Front-End Form ID Substitution. The current sources do not mark it as known exploited. The current feed maps Unknown/Secure Custom Fields (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 3.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/Secure Custom Fields (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Secure Custom Fieldsgeneric | >=0 <6.9.4 | 6.9.4 |
Published upstream
Sep 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 21, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 19, 2026
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.
Quoted source text, attributed separately from HOL analysis.