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Vulnerability record · CVE-2026-16041 · published 7 August 2026

CVE-2026-16041: Missing authorization vulnerability

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.

7.5 CVSS 3.1 High EPSS 0.36% · top 73.0% CWE-862 · Missing authorization Deferred
7.5CVSS 3.1 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-16041), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.