CVE-2026-16041

UNKNOWN 0.0

MStore API < 4.21.0 - Unauthenticated Product Review Creation

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	unknown
Product	mstore api
Published	Aug 7, 2026

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Affected Versions

Unknown / MStore API

0 < 4.21.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Usama Arshad WPScan