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.

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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
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