high7.5
CVE-2026-16041
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 a…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| MStore API WordPress Plugin | before 4.21.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.