Conekta Payment Gateway < 6.2.2 - Unauthenticated Order Payment Completion via Webhook Forgery
Summary
| CVE | CVE-2026-16738 |
|---|---|
| State | PUBLISHED |
| Assigner | WPScan |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-22 06:16:15 UTC |
| Updated | 2026-08-23 16:16:37 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 5.3 MEDIUM from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.001590000 probability, percentile 0.055810000 (date 2026-08-22)
Problem Types: CWE-284 | CWE-284 Improper Access Control | CWE-284 CWE-284 Improper Access Control
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Unknown | Conekta Payment Gateway | affected 6.2.2 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| wpscan.com/vulnerability/89a2917e-032c-4f0f-be44-1a50b9d6fddf | [email protected] | wpscan.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Pedro Pinho (en)
CNA: WPScan (en)
There are currently no legacy QID mappings associated with this CVE.