CVE-2023-3076: Inspireui Mstore API

Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days.

The MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of their choice via their wholesale REST API endpoint. This is only exploitable if the site owner paid to access the plugin's pro features.

Affected products

• Inspireui Mstore API: before 3.9.9 (fixed in 3.9.9)

Published 2023-07-10. Last modified 2026-06-17.