Unauthorized Data Modification in Pie Register Plugin for WordPress
CVE-2026-3571

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Pie Register – User Registration, Profiles & Content Restriction
Vendor
CVE Published:
4 April 2026

What is CVE-2026-3571?

The Pie Register plugin for WordPress contains a significant vulnerability that allows unauthorized users to modify data due to the absence of a proper capability check in the pie_main() function. This flaw affects all versions up to and including 3.8.4.8, enabling unauthenticated attackers to alter the status of registration forms, potentially compromising user data and site integrity.

Affected Version(s)

Pie Register – User Registration, Profiles & Content Restriction 0 <= 3.8.4.8

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3494602/pie-...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Youssef Elouaer
.