NetSight
critical9.1

CVE-2026-16038

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-co…

Impact

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 products

ProductAffected versions
MStore API WordPress Plugin
before 4.21.0

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References