PT-2026-83399 · WordPress · Mstore Api

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CVE-2026-18233

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Published

2026-08-29

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Updated

2026-08-30

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Name of the Vulnerable Software and Affected Versions MStore API versions prior to 4.21.1
Description The MStore API WordPress plugin fails to verify if the order targeted by a delivery endpoint belongs to the user making the request. This allows any authenticated user, including those with Subscriber privileges, to mark arbitrary orders as completed and paid without performing an actual payment.
Recommendations Update the MStore API plugin to version 4.21.1 or later.

Exploit

Fix

Missing Authorization

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Weakness Enumeration

Related Identifiers

CVE-2026-18233

Affected Products

Mstore Api