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OpenAdvisories
Medium · 6.5 CVE-2026-18234 EUVD-2026-68048GHSA-jmq8-gg6r-m32f

MStore API < 4.21.1 - Subscriber+ Arbitrary Order Payment Bypass via Wallet

Published Aug 29, 2026 · Updated Aug 30, 2026 · Assigned by WPScan

Description

The MStore API WordPress plugin before 4.21.1 does not verify that the order targeted by its wallet payment handling belongs to the requester, and does not deduct the wallet balance for most payment methods, allowing any authenticated user, including Subscribers, to mark arbitrary orders as paid without any payment being taken.

Affected products

VendorProductAffectedFixed
— MStore API < 4.21.1 4.21.1

References