Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-106166
Unknown NEX-Forms — NEX-Forms 9.2.1 - 9.2.5 - Unauthenticated Arbitrary Form Entry Modification via 'nf_set_entry_update_id' Parameter
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U N L N 5.3 .0023 13.1 —
AFFECTED
Product Versions Fixed
NEX-Forms 9.2.1 – —
TIMELINE
Oct 6 Reserved by WPScan
Oct 14 EXPLOIT PUBLISHED — CVE-2026-106166 (Unknown NEX-Forms). Public exploit reference added.
Oct 14 Published (CNA: WPScan)
Description
The NEX-Forms WordPress plugin before 9.3.1 does not perform any authorization, ownership or request-validation checks before updating stored form entries, allowing unauthenticated attackers to overwrite, permanently erase, reassign or append to any previously submitted form entry by referencing its sequential identifier.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| October 6, 2026 | Reserved | Reserved by WPScan |
| October 14, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-106166 (Unknown NEX-Forms). Public exploit reference added. |
| October 14, 2026 | Published | Published (CNA: WPScan) |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Unknown | NEX-Forms | — | 9.2.1 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-106166 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
