CVE-2026-18234: medium-severity vulnerability in MStore API
MStore API < 4.21.1 - Subscriber+ Arbitrary Order Payment Bypass via Wallet
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.5epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected products
Unknown · MStore APIpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/1dc31c4e-9687-4056-a93e-9509c5a88828/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — MStore API
In the same product, most dangerous first.
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