CVE-2026-16041 - Vulnerability Details - OpenCVE

The MStore API WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores configured to accept reviews only from verified owners.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00208.

Exploitation poc

Automatable yes

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://wpscan.com/vulnerability/0e7d8a17-0901-45b5-959c-2c1ef1316047/

History

Sat, 08 Aug 2026 11:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-862
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 07 Aug 2026 06:15:00 +0000

Type	Values Removed	Values Added
Description		The MStore API WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores configured to accept reviews only from verified owners.
Title		MStore API < 4.21.0 - Unauthenticated Product Review Creation
References		https://wpscan.com/vulnerability/0e7d8a17-0901-45b5-959c-2c1ef1316047/

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-08-07T06:00:13.619Z

Updated: 2026-08-07T18:13:51.411Z

Reserved: 2026-07-17T09:21:01.355Z

Link: CVE-2026-16041

Vulnrichment

Updated: 2026-08-07T18:13:47.354Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-08T13:00:11Z

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