Description
Missing Authorization vulnerability in FluxBuilder MStore API mstore-api allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MStore API: from n/a through <= 4.18.4.
Published: 2026-07-13
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

A missing authorization check in FluxBuilder MStore allows attackers to exploit incorrectly configured access control security levels, potentially accessing or modifying sensitive data and configuration without proper permission. This flaw is a CWE-862 Missing Authorization weakness.

Affected Systems

WordPress sites running FluxBuilder MStore API plugin version 4.18.4 or earlier are affected. Any site that has the plugin installed and enabled is at risk.

Risk and Exploitability

The CVSS score of 6.5 indicates moderate severity. The EPSS score of < 1% suggests a very low likelihood of exploitation in the near term, and the vulnerability is not listed in CISA KEV. The likely attack vector is inferred from the description; attackers would likely exploit this via web requests to the vulnerable plugin endpoints, bypassing expected authentication controls.

Generated by OpenCVE AI on July 31, 2026 at 12:09 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade the MStore API plugin to the latest available version that removes the missing authorization flaw.
  • Verify that all plugin endpoints enforce proper authentication and authorization checks before processing requests.
  • If an immediate update is not possible, limit plugin usage to authenticated administrators only or block external access to the affected endpoints.

Generated by OpenCVE AI on July 31, 2026 at 12:09 UTC.

Tracking

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Advisories

No advisories yet.

History

Mon, 13 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 13 Jul 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Fluxbuilder
Fluxbuilder mstore Api
Wordpress
Wordpress wordpress
Vendors & Products Fluxbuilder
Fluxbuilder mstore Api
Wordpress
Wordpress wordpress

Mon, 13 Jul 2026 10:00:00 +0000

Type Values Removed Values Added
Description Missing Authorization vulnerability in FluxBuilder MStore API mstore-api allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MStore API: from n/a through <= 4.18.4.
Title WordPress MStore API plugin <= 4.18.4 - Broken Access Control vulnerability
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

Subscriptions

Fluxbuilder Mstore Api
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-07-13T13:47:23.506Z

Reserved: 2026-06-24T12:45:54.515Z

Link: CVE-2026-57375

cve-icon Vulnrichment

Updated: 2026-07-13T13:47:19.707Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T12:15:04Z

Weaknesses