CVE-2026-16272
Client IP Spoofing via Untrusted HTTP Headers in PayTR's PayTR Virtual Pos iFrame API WHMCS Module
- State
- Published
- Severity
- 9.1 Critical
- Published
- Sep 9, 2026
- Updated
- Oct 1, 2026
- Reserved
- Jul 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | TR-CERT |
Weaknesses
- CWE-348 Use of less trusted source
Affected Products
| Product | Versions |
|---|---|
PayTR Virtual Pos iFrame API WHMCS ModulePayTR Payment and Electronic Money Institution Inc. |
|
References
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1034government-resource
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