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CVE-2026-16038

CRITICAL 9.1 CVSS 3.1
Published
August 7, 2026
Last modified
August 26, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Description

The MStore API WordPress plugin before 4.21.0 does not verify the payment with the payment gateway before marking an order as paid on several of its payment-completion endpoints, allowing an unauthenticated attacker to mark an arbitrary order fully paid without paying and obtain goods or services for free.

Affected WordPress components

  • MStore API – Create Native Android & iOS Apps On The Cloud Plugin · mstore-api
    Confirmed match Active
    Before 4.21.0
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown MStore API — Before 4.21.0

References

  • wpscan.com https://wpscan.com/vulnerability/6321d247-39c7-43a6-a528-202e1118a5d5/
  • nvd.nist.gov Official NVD record