CVE-2026-18233CWE-862broken-access-control

CVE-2026-18233

Medium · published August 29, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
6.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00169 · 6.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-08-29T10:17Z
References (1)
https://wpscan.com/vulnerability/241c0394-8dfa-475c-a91b-e2b5e47add53/ · [email protected]
EPSS history
Timeline
  • 30 AUG 16:16Z
    EPSS moved — → 0%
    epss
  • 29 AUG 06:00Z
    MStore API < 4.21.1 - Subscriber+ Arbitrary Order Completion
    cvelistv5