The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 3.15.5 via the wppb_save_avatar_value() function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to reassign ownership of arbitrary posts and attachments by changing 'post_author'.
CVE-2026-3139 is a medium severity with CVSS 4.3 Authorization Bypass issue affecting the Plugin User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor. It affects Versions up to 3.15.5 and is fixed in 3.15.6.
Use the related hub and response guides to connect this CVE-2026-3139 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-2026-3139 is tracked for the Plugin User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor as medium severity with CVSS 4.3. The affected range is Versions up to 3.15.5. Update User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor to 3.15.6 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 up to 3.15.5.
Confirm User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor is updated to 3.15.6 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 |
profile-builder
View on wordpress.org
|
| CVE | CVE-2026-3139 |
| Patched Versions |
3.15.6
|
| Affected Versions |
Versions up to 3.15.5
|
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.
User Profile Builder <= 3.15.1 - Unauthenticated Privilege Escalation via Account Takeover
User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor <= 3.11.8 - Authentication Bypass
Profile Builder – User Profile & User Registration Forms <= 3.9.0 - Insecure Password Reset Mechanism
Profile Builder <= 3.4.8 - Admin Access via Password Reset
Profile Builder – User Profile & User Registration Forms <= 3.6.4 - Cross-Site Request Forgery
User Profile Builder <= 3.10.8 - Missing Authorization to Plugin Settings Change via wppb_two_factor_authentication_settings_update
Profile Builder <= 2.1.3 - Missing Access Controls
Profile Builder <= 3.10.3 - Cross-Site Request Forgery via pms-cross-promotion.php
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