Client IP Spoofing via Untrusted HTTP Headers in PayTR's PayTR Virtual Pos iFrame API WHMCS Module
Priority MEDIUM 47CWE-348Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00211 11th percentileScored 2026-11-07
Fix Fixed PayTR Virtual Pos iFrame API WHMCS Module (PayTR Payment and Electronic Money Institution Inc.): v9.0.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PayTR Payment and Electronic Money Institution Inc. | PayTR Virtual Pos iFrame API WHMCS Module | v9.0.0 to before v9.0.3 | v9.0.3 | Patch available | CNA |
- PayTR Virtual Pos iFrame API WHMCS Module VendorPayTR Payment and Electronic Money Institution Inc. Affected v9.0.0 to before v9.0.3 Fixed in v9.0.3 Patch available CNA
Remediation
- Fix · CNA PayTR Virtual Pos iFrame API WHMCS Module (PayTR Payment and Electronic Money Institution Inc.) Fixed in v9.0.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16272
- 2026-10-03 Alias added: GHSA-g622-qgc4-8v95
References
More PayTR Payment and Electronic Money Institution Inc. vulnerabilities
- TI-2026-13421 Callback Authentication Bypass via Timing Attack in PayTR's PayTR Virtual Pos iFrame API WHMCS Module CVSS 3.1HIGH 7.5
- TI-2026-13413 Improper Payment Validation in PayTR's PayTR Virtual Pos iFrame API WHMCS Module CVSS 3.1HIGH 7.5
Sources
- CVE-2026-16272 · CVE Program
- CVE-2026-16272 · NVD
- FIRST EPSS
- GHSA-g622-qgc4-8v95 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences