CVE-2023-3277: Inspireui Mstore API

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up to, and including, 4.10.7 due to improper implementation of the Apple login feature. This allows unauthenticated attackers to log in as any user as long as they know the user's email address.

Affected products

• Inspireui Mstore API: up to and including 4.10.7

Published 2023-11-03. Last modified 2026-06-17.