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OpenAdvisories
Critical · 9.1 CVE-2026-16272 EUVD-2026-74769GHSA-g622-qgc4-8v95

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

Published Sep 9, 2026 · Updated Oct 1, 2026 · Assigned by TR-CERT

Vendor: PayTR Payment and Electronic Money Institution Product: PayTR Virtual Pos iFrame API WHMCS Module

Description

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.

Affected products

VendorProductAffectedFixed
PayTR Payment and Electronic Money Institution PayTR Virtual Pos iFrame API WHMCS Module v9.0.0 – < v9.0.3 v9.0.3

References