CVE-2026-18233

The MStore API WordPress plugin before 4.21.1 does not verify that the order targeted by one of its delivery endpoints belongs to the requester, allowing any authenticated user, including Subscribers, to mark arbitrary orders as completed and paid without any payment being made.

Score

CVSS 3.1 6.5 Medium

Status

Deferred - contact@wpscan.com

Published

2026-08-29

Last modified

2026-08-30

Weaknesses

CWE-862

Affected products

• Mstore Api (Unknown)

References

• https://wpscan.com/vulnerability/241c0394-8dfa-475c-a91b-e2b5e47add53/