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Vulnerabilities and Security Researches

MStore API, CVE-2026-18234

CVE, Research URL

CVE-2026-18234

Application

MStore API

Published on
Aug 29, 2026
Research 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 versions
max 4.21.1.
Status
vulnerable