CVE-2026-16030

High

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.

SeverityHigh
CVSS8.1
Exploit probability—
ProductMStore API
PublishedAug 7, 2026
First seenAug 7, 2026

How to fix

Update
  • MStore API4.21.0 or later

Affected products

ProductAffected versionsFixed in
MStore APIv < 4.21.04.21.0

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