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CVE-2026-16025— Improper Payment Validation in PayTR's PayTR Virtual Pos iFrame API WHMCS Module

Quick assessment

Affected
PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Module
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PayTR Virtual Pos iFrame API是PayTR公司的一款集成虚拟POS支付功能的iFrame接口软件。 PayTR Virtual Pos iFrame API v9.0.0至v9.0.3之前版本存在输入验证错误漏洞，该漏洞源于对指定数量的输入验证不当，可能导致输入数据操纵。

CVSS 7.5 · High EPSS 0.32% · P24

Possible ATT&CK Techniques 1 AI

T1561 · Disk Wipe

Affected Version Matrix 1

VendorProduct Version RangeStatus
PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Module v9.0.0< v9.0.3 affected
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I. Basic Information for CVE-2026-16025

Vulnerability Information
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Vulnerability Title
Improper Payment Validation in PayTR's PayTR Virtual Pos iFrame API WHMCS Module
Source: CVE Program / CVE List V5
Vulnerability Description
Improper validation of specified quantity in input vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Module allows Input Data Manipulation. This issue affects PayTR Virtual Pos iFrame API WHMCS Module: from v9.0.0 before v9.0.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1284
Source: CVE Program / CVE List V5
Vulnerability Title
PayTR Virtual Pos iFrame API 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PayTR Virtual Pos iFrame API是PayTR公司的一款集成虚拟POS支付功能的iFrame接口软件。 PayTR Virtual Pos iFrame API v9.0.0至v9.0.3之前版本存在输入验证错误漏洞，该漏洞源于对指定数量的输入验证不当，可能导致输入数据操纵。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Module v9.0.0 ~ v9.0.3 -

II. Public POCs for CVE-2026-16025

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III. Intelligence Information for CVE-2026-16025

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Vendor Advisories for CVE-2026-16025 (1)

IV. Related Vulnerabilities

Same product: PayTR Virtual Pos iFrame API WHMCS Module
Same vendor: PayTR Payment and Electronic Money Institution Inc.
Same weakness: CWE-1284