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Pie Register – User Registration, Profiles & Content Restriction <= 3.8.4.8 — Missing Authorization to Unauthenticated Registration Form Status Modification

CVE-2026-3571Published · Updated

Action summary

Affected: ≤3.8.4.8Update to 3.8.4.9 or newer

All remediation steps
Watch plugin
Severity
Medium6.5
CVSS
6.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:L Availability
Low
Weakness
CWE-862 Missing Authorization
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Pie Register – User Registration, Profiles & Content Restriction pie-register

  1. Affected≤ 3.8.4.8
  2. Patched in3.8.4.9

Update to 3.8.4.9 or newer.

You are affected if you run ≤ 3.8.4.8. Version 3.8.4.9 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Pie Register – User Registration, Profiles & Content Restriction.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 3.8.4.9, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Pie Register – User Registration, Profiles & Content Restriction to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Youssef Elouaer.

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.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Pie Register – User Registration, Profiles & Content Restriction

All 29
More vulnerabilities in Pie Register – User Registration, Profiles & Content Restriction
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via 'first_name' Parameter via Comment Avatar
≤3.8.4.16Update to 3.8.4.17
CVE-2026-119158
Medium4.3Missing Authorization
≤3.8.4.15Update to 3.8.4.16
CVE-2026-96963
Medium5.3Missing Authorization
≤3.8.4.15Update to 3.8.4.16
CVE-2026-96961
High7.2Unauthenticated Stored Cross-Site Scripting
≤3.8.4.15Update to 3.8.4.16
CVE-2026-119488
Medium5.3Unauthenticated Information Exposure
≤3.8.4.13Update to 3.8.4.14
CVE-2026-103345

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 6.5

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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