CVE-2026-18234MStore API < 4.21.1 - Subscriber+ Arbitrary Order Payment Bypass via Wallet
Updated under an hour ago ()
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It affects Unknown MStore API. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 6.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Aug 30, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown MStore API unknown:mstore_api (from the name) | before 4.21.1 | CNA record |
References
- https://wpscan.com/vulnerability/1dc31c4e-9687-4056-a93e-9509c5a88828/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.