PT-2026-50422 · Fluxbuilder · Mstore Api

Published 2026-06-17 · Updated 2026-06-17 · CVE-2026-54817

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions MStore API versions prior to 4.18.4

Description An authentication bypass using an alternate path or channel in the MStore API allows for password recovery exploitation.

Recommendations Update to a version later than 4.18.4.

Fix

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-288

Related Identifiers

CVE-2026-54817

Affected Products

Mstore Api

References · 2

• https://twitter.com/VulmonFeeds/status/2067266368739692627 · Twitter Post
• https://patchstack.com/database/wordpress/plugin/mstore-api/vulnerability/wordpress-mstore-api-plugin-4-18-4-broken-authentication-vulnerability?_s_id=cve · Note