---
id: CVE-2026-16272
title: >-
  Use of less trusted source vulnerability in PayTR Payment and Electronic Money
  Institution Inc
summary: >-
  Use of less trusted source vulnerability in PayTR Payment and Electronic Money
  Institution Inc. PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows
  Exploitation of Trusted Identifiers.


  This issue affects PayTR Virtual Pos iFrame API …
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-348
vendor: PayTR Payment and Electronic Money Institution Inc.
product: PayTR Virtual Pos iFrame API (v9x) WHMCS Module
affected:
  - paytr_virtual_pos_iframe_api_v9x_whmcs_module >= v9.0.0 < v9.0.3
published: '2026-09-09'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T21:17:01.423'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-16272'
references:
  - url: 'https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1034'
    label: iletisim@usom.gov.tr
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-09T20:29:39.686495Z'
ingestedAt: '2026-09-12T23:54:32.856Z'
epss: 0.00144
epssPercentile: 0.0304
---

## Overview

Use of less trusted source vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Exploitation of Trusted Identifiers.

This issue affects PayTR Virtual Pos iFrame API (v9x) WHMCS Module: from v9.0.0 before v9.0.3.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.