The Pie Register plugin for WordPress is vulnerable to SQL Injection via an unknown parameter in versions before 3.1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
CVE-2019-15659 is a critical severity with CVSS 9.8 SQL Injection issue affecting the Plugin Pie Register – User Registration, Profiles & Content Restriction. It affects Versions before 3.1.2 and is fixed in 3.1.2.
Use the related hub and response guides to connect this CVE-2019-15659 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2019-15659 is tracked for the Plugin Pie Register – User Registration, Profiles & Content Restriction as critical severity with CVSS 9.8. The affected range is Versions before 3.1.2. Update Pie Register – User Registration, Profiles & Content Restriction to 3.1.2 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions before 3.1.2.
Confirm Pie Register – User Registration, Profiles & Content Restriction is updated to 3.1.2 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
pie-register
View on wordpress.org
|
| CVE | CVE-2019-15659 |
| Patched Versions |
3.1.2
|
| Affected Versions |
Versions before 3.1.2
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Pie Register <= 3.8.3.2 - Unauthenticated Arbitrary File Upload
Pie Register <= 3.7.1.4 - Authentication Bypass
Pie Register <= 3.7.1.5 - Unauthenticated SQL Injection
Pie Register <= 3.0.9 - SQL Injection
Pie Register - Basic <= 3.8.3.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Plugin Installation
Pie Register <= 3.7.1.5 - Authentication Bypass
Pie Register <= 2.0.13 - Missing Authorization
Pie Register – User Registration, Profiles & Content Restriction <= 3.8.4.8 - Missing Authorization to Unauthenticated Registration Form Status Modification
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