Pie Register vulnerability

What happened

The Pie Register WordPress plugin before 3.8.4.14 does not restrict access to an invitation-code report, allowing unauthenticated visitors who know a valid invitation code to obtain the username and email address of every user who registered with that code.

Affected versions

Pie Register: before 3.8.4.14 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.