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CVE-2026-18233mediumCWE-862

MStore API < 4.21.1 - Subscriber+ Arbitrary Order Completion

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.5epss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected products
Unknown · MStore API
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.