CVE-2026-54817

MEDIUM

WordPress MStore API plugin <= 4.18.4 - Broken Authentication vulnerability

Title source: cna

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.

References (1)

Core 1

Core References

Vdb Entry vdb-entry

https://patchstack.com/database/wordpress/plugin/mstore-api/vulnerability/wordpress-mstore-api-plugin-4-18-4-broken-authentication-vulnerability?_s_id=cve

Scores

CVSS v3 6.5

EPSS 0.0025

EPSS Percentile 16.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-288

Status published

Products (1)

FluxBuilder/MStore API < 4.18.4

Published Jun 17, 2026

Tracked Since Jun 17, 2026