CVE-2026-16272
CriticalCVSS 9.1Summary
Use of less trusted source vulnerability in PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Exploitation of Trusted Identifiers. This issue affects versions from v9.0.0 before v9.0.3.
Risk Assessment
An attacker could exploit this to manipulate payment transactions or bypass security mechanisms, potentially leading to financial losses.
Recommendation
Update the WHMCS module to version v9.0.3 or later, which includes the fix.
Other vulnerabilities in PayTR Virtual Pos iFrame API (v9x) WHMCS Module
See all- CVE-2026-16037High
Observable timing discrepancy vulnerability in PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Black Box Reverse Engineering. Affects versions from v9.0.0 before v9.0.3.
- CVE-2026-16025High
Improper validation of specified quantity in input vulnerability in PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Input Data Manipulation. Affects versions from v9.0.0 before v9.0.3.
Original NVD description (English source)
Use of less trusted source vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Exploitation of Trusted Identifiers. This issue affects PayTR Virtual Pos iFrame API (v9x) WHMCS Module: from v9.0.0 before v9.0.3.