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OpenAdvisories
High · 8.1 CVE-2026-16030 EUVD-2026-54385GHSA-w2g6-85hw-mgcv

MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication

Published Aug 7, 2026 · Updated Aug 7, 2026 · Assigned by WPScan

Description

The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take over that user's account, including administrator accounts.

Affected products

VendorProductAffectedFixed
— MStore API < 4.21.0 4.21.0

References