What’s Vulnerable › Vulnerabilities
CVE-2026-16041: MStore API < 4.21.0 - Unauthenticated Product Review Creation
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-07 · updated 2026-08-26
- Weakness: CWE-862
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.
Affected products
- inspireui MStore API – Create Native Android & iOS Apps On The Cloud: before 4.21.0 — fixed in 4.21.0
How to fix
Upgrade to a fixed version: inspireui MStore API – Create Native Android & iOS Apps On The Cloud 4.21.0. Check the vendor advisory for mitigations.
References
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