CVE-2026-54817

WordPress MStore API plugin <= 4.18.4 - Broken Authentication vulnerability

Published Jun 17, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Authentication Bypass Using an Alternate Path or Channel vulnerability in FluxBuilder MStore API allows Password Recovery Exploitation.

This issue affects MStore API: from n/a through 4.18.4.

Remediation

Vendor Solution

Update the WordPress MStore API Plugin to the latest available version (at least 4.19.0).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Fluxbuilder
Fluxbuilder mstore Api
Wordpress
Wordpress wordpress
Vendors & Products Fluxbuilder
Fluxbuilder mstore Api
Wordpress
Wordpress wordpress
Metrics ssvc

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

Type Values Removed Values Added
Description Authentication Bypass Using an Alternate Path or Channel vulnerability in FluxBuilder MStore API allows Password Recovery Exploitation. This issue affects MStore API: from n/a through 4.18.4.
Title WordPress MStore API plugin <= 4.18.4 - Broken Authentication vulnerability
Weaknesses CWE-288
References
Metrics cvssV3_1

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Jun 17, 2026, 2:15 PM
Reserved
Jun 16, 2026, 9:21 AM
Status
Deferred
Published
Jun 17, 2026, 2:17 PM
Modified
Oct 26, 2026, 12:10 PM