CVE-2026-16030

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

Published Aug 7, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mstore
Mstore mstore Api
Wordpress
Wordpress wordpress
Vendors & Products Mstore
Mstore mstore Api
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Weaknesses CWE-322
CWE-327
Type Values Removed Values Added
Weaknesses CWE-287
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-322
CWE-327
Type Values Removed Values Added
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.
Title MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 7, 2026, 5:39 PM
Reserved
Jul 17, 2026, 8:39 AM
Status
Deferred
Published
Aug 7, 2026, 6:16 AM
Modified
Aug 26, 2026, 4:31 PM