CVE-2026-16037

High

Description

Observable timing discrepancy vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Module allows Black Box Reverse Engineering. This issue affects PayTR Virtual Pos iFrame API WHMCS Module: from v9.0.0 before v9.0.3.

SeverityHigh
CVSS7.5
Exploit probability—
ProductPayTR Virtual Pos iFrame API WHMCS Module
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-208CWE-208

How to fix

Update
  • PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Modulev9.0.3 or later

Affected products

ProductAffected versionsFixed in
PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Modulev9.0.0 ≤ v < v9.0.3v9.0.3

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