Improper validation of specified quantity in input vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Input Data Manipulation.

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API (v9x) WHMCS Module unaffected
Version Status Constraints
v9.0.0 affected < v9.0.3

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1034 cve-icon cve-icon
History

Tue, 08 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 08 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Description Improper validation of specified quantity in input vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Input Data Manipulation. This issue affects PayTR Virtual Pos iFrame API (v9x) WHMCS Module: from v9.0.0 before v9.0.3.
Title Improper Payment Validation in PayTR's PayTR Virtual Pos iFrame API (v9x) WHMCS Module
Weaknesses CWE-1284
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: TR-CERT

Published:

Updated: 2026-09-08T15:48:27.174Z

Reserved: 2026-07-17T08:06:33.490Z

Link: CVE-2026-16025

cve-icon Vulnrichment

Updated: 2026-09-08T15:48:23.273Z

cve-icon NVD

Status : Deferred

Published: 2026-09-08T16:18:01.497

Modified: 2026-09-08T18:34:41.780

Link: CVE-2026-16025

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-08T16:30:07Z

Weaknesses