Missing Authorization Flaw in FluxBuilder MStore API by Patchstack
CVE-2026-57375

6.5MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
13 July 2026

What is CVE-2026-57375?

The MStore API by FluxBuilder has a missing authorization vulnerability that arises from incorrectly configured access control security levels. This flaw can be exploited to gain unauthorized access to sensitive functionalities, posing a significant security risk. Users of MStore API versions up to 4.18.4 should be particularly vigilant and consider applying available patches to mitigate this issue.

Affected Version(s)

MStore API 0 <= 4.18.4

References

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

HaiND | Patchstack Bug Bounty Program
.