0.0
NA
CVE-2026-16030
MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication
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.

INFO

Published Date :

Aug. 7, 2026, 6:16 a.m.

Last Modified :

Aug. 7, 2026, 6:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-16030 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update MStore API WordPress plugin to version 4.21.0 or later to fix authentication bypass.
  • Update the MStore API WordPress plugin.
  • Verify plugin version is 4.21.0 or newer.
  • Remove any compromised accounts if necessary.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-16030.

URL Resource
https://wpscan.com/vulnerability/adf8ffe0-39a2-4d26-af11-1ac807800735/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-16030 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-16030 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-16030 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-16030 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 07, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Unknown', 'product': 'MStore API', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '4.21.0', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}]
    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.
    Added Reference https://wpscan.com/vulnerability/adf8ffe0-39a2-4d26-af11-1ac807800735/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.