Pie Register: Invitation report exposes usernames and email addresses
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. The authoritative export identifies the fixed release as 3.8.4.14.
- Component
- Pie Register
- Plugin slug
pie-register- Affected
- < 3.8.4.14
- Safe version
3.8.4.14- Published
- Oct 03, 2026
This CVE was published Oct 03, 2026 and is one of 20 known issues for this plugin.
Update, patch or deactivate.
Update Pie Register to 3.8.4.14 or a later supported release. An application-level fix should require an authorized administrative capability before returning invitation-code reports; possession of an invitation code is not authorization.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N