CVE-2026-16039 — MEDIUM (6.5)

Vulnerability Description

The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-639

References

https://wpscan.com/vulnerability/85c6ff37-4761-420c-970f-05b2c50d3b28/

FAQ

What is CVE-2026-16039?

CVE-2026-16039 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerc...

How severe is CVE-2026-16039?

CVE-2026-16039 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-2026-16039?

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