CVE-2026-16272 PayTR Virtual Pos iFrame API WHMCS Module - Authentication Bypass

PayTR Virtual Pos iFrame API (v9x) WHMCS Module >= 9.0.0 < 9.0.3 contains a use of less trusted source vulnerability caused by improper validation of trusted identifiers, letting attackers exploit trusted identifiers, exploit requires crafted requests.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
9 September 2026
Updated
15 October 2026
Weakness
CWE-348

Vendor fix

Upgrade to version 9.0.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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