CVE-2026-18234 — MEDIUM (6.5)

Vulnerability Description

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 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-862

References

https://wpscan.com/vulnerability/1dc31c4e-9687-4056-a93e-9509c5a88828/

FAQ

What is CVE-2026-18234?

CVE-2026-18234 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...

How severe is CVE-2026-18234?

CVE-2026-18234 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18234?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.