CVE-2026-16272criticalCWE-348

CVE-2026-16272: critical vulnerability in PayTR Virtual Pos iFrame API WHMCS Module

Client IP Spoofing via Untrusted HTTP Headers in PayTR's PayTR Virtual Pos iFrame API WHMCS Module

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.1epss 0.2%
Use of less trusted source vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Module allows Exploitation of Trusted Identifiers. This issue affects PayTR Virtual Pos iFrame API WHMCS Module: from v9.0.0 before v9.0.3.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
PayTR Payment and Electronic Money Institution Inc. · PayTR Virtual Pos iFrame API WHMCS Module
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CVE-2026-16025HIGHImproper Payment Validation in PayTR's PayTR Virtual Pos iFrame API WHMCS ModuleEPSS 0.5%CVE-2026-16037HIGHCallback Authentication Bypass via Timing Attack in PayTR's PayTR Virtual Pos iFrame API WHMCS ModuleEPSS 0.4%