Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-16738
Unknown Conekta Payment Gateway — Conekta Payment Gateway < 6.2.2 - Unauthenticated Order Payment Completion via Webhook Forgery
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U N L N 5.3 .0033 23.9 —
AFFECTED
Product Versions Fixed
Conekta Payment Gateway unspecified —
TIMELINE
Jul 23 Reserved by WPScan
Aug 22 Published (CNA: WPScan)
Aug 23 EXPLOIT PUBLISHED — CVE-2026-16738 (Unknown Conekta Payment Gateway). Public exploit reference added.
Description
The Conekta Payment Gateway WordPress plugin before 6.2.2 does not verify the authenticity of incoming payment gateway webhook notifications, nor bind the confirmed payment to the targeted order or verify its amount, allowing unauthenticated attackers to mark arbitrary orders as paid without payment.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| July 23, 2026 | Reserved | Reserved by WPScan |
| August 22, 2026 | Published | Published (CNA: WPScan) |
| August 23, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16738 (Unknown Conekta Payment Gateway). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Unknown | Conekta Payment Gateway | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16738 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 Sunday, October 4, 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.