6.5
MEDIUM CVSS 3.1
CVE-2026-3571
Pie Register – User Registration, Profiles & Content Restriction <= 3.8.4.8 - Missing Authorization to Unauthenticated Registration Form Status Modification
Description

The Pie Register – User Registration, Profiles & Content Restriction plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the pie_main() function in all versions up to, and including, 3.8.4.8. This makes it possible for unauthenticated attackers to change registration form status.

INFO

Published Date :

April 4, 2026, 2:15 a.m.

Last Modified :

April 4, 2026, 2:15 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-3571 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Update the Pie Register plugin to patch the missing capability check vulnerability.
  • Update the Pie Register plugin to the latest version.
  • Verify plugin settings for proper authorization.
  • Review access controls for user registration.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-3571.

URL Resource
https://plugins.trac.wordpress.org/changeset/3494602/pie-register
https://www.wordfence.com/threat-intel/vulnerabilities/id/3137a85e-82e3-4111-ae60-1bcf1abd0c0b?source=cve
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-3571 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-3571 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-3571 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-3571 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 04, 2026

    Action Type Old Value New Value
    Added Description The Pie Register – User Registration, Profiles & Content Restriction plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the pie_main() function in all versions up to, and including, 3.8.4.8. This makes it possible for unauthenticated attackers to change registration form status.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
    Added CWE CWE-862
    Added Reference https://plugins.trac.wordpress.org/changeset/3494602/pie-register
    Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/3137a85e-82e3-4111-ae60-1bcf1abd0c0b?source=cve
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.