CVE-2026-16030CWE-287

CVE-2026-16030

High · published August 7, 2026

CVSS v3.1

8.1

EPSS

Percentile

31.2

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 8.1 · HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00383 · 31.2th percentile
Weakness: CWE-287 · Improper Authentication
Published: 2026-08-07T10:16Z

References (1)

https://wpscan.com/vulnerability/adf8ffe0-39a2-4d26-af11-1ac807800735/ · [email protected]

EPSS history

Timeline

07 AUG 06:00Z
MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication
cvelistv5