User Profile Builder 3.16.4 - Unauthenticated Authentication Bypass

The User Profile Builder plugin for WordPress version 3.16.4 is vulnerable to an authentication bypass via type confusion. Profile Builder's automatic-login-after-registration handler passes the return value of wpinsertuser through absint before testing it with iswperror, so the error check runs...

CVE-2026-15826

The User Profile Builder plugin for WordPress is vulnerable to Authentication Bypass via Type Confusion in versions up to, and including, 3.16.4. This is due to the wppbloginuser function calling absint on the return value of wpinsertuser before performing an iswperror check — when a registration...

CVE-2026-15826 User Profile Builder <= 3.16.4 - Unauthenticated Authentication Bypass via Type Confusion to Administrator Account Takeover via 'username' Parameter

The User Profile Builder plugin for WordPress is vulnerable to Authentication Bypass via Type Confusion in versions up to, and including, 3.16.4. This is due to the wppbloginuser function calling absint on the return value of wpinsertuser before performing an iswperror check — when a registration...

CVE-2026-15826

The User Profile Builder WordPress plugin (≤ 3.16.4) is vulnerable to unauthenticated authentication bypass via type confusion , rated CVSS 9.8 Critical . The root cause is in wppb_log_in_user(), which calls absint() on the return value of wp_insert_user() before the is_wp_error() check. A regist...

EUVD-2026-59593

The User Profile Builder plugin for WordPress is vulnerable to Authentication Bypass via Type Confusion in versions up to, and including, 3.16.4. This is due to the wppbloginuser function calling absint on the return value of wpinsertuser before performing an iswperror check — when a registration...

PT-2026-72877

Name of the Vulnerable Software and Affected Versions User Profile Builder versions prior to 3.16.5 Description An authentication bypass exists due to type confusion within the wppb log in user function. When a registration request is submitted using the username parameter with a length between 6...

40,000 WordPress Sites affected by Authentication Bypass Vulnerability in User Profile Builder WordPress Plugin

On July 14th, 2026, we received a submission for an Authentication Bypass vulnerability in User Profile Builder, a WordPress plugin with more than 40,000 active installations. This vulnerability makes it possible for unauthenticated attackers to log in as the user with ID 1, which is typically th...

CVE-2026-15368

The User Profile Builder WordPress plugin before 3.16.4 does not correctly bind the automatic login performed after user registration to the newly created account, allowing unauthenticated attackers to obtain an authenticated session for an arbitrary existing user, including administrators, on...

EUVD-2026-51717

The User Profile Builder WordPress plugin before 3.16.4 does not correctly bind the automatic login performed after user registration to the newly created account, allowing unauthenticated attackers to obtain an authenticated session for an arbitrary existing user, including administrators, on...

CVE-2026-15368

The User Profile Builder WordPress plugin before 3.16.4 does not correctly bind the automatic login performed after user registration to the newly created account, allowing unauthenticated attackers to obtain an authenticated session for an arbitrary existing user, including administrators, on...

PT-2026-47074

Name of the Vulnerable Software and Affected Versions WP User Manager – User Profile Builder & Membership versions prior to 2.9.18 Description The plugin is susceptible to Local File Inclusion, a condition where an application includes files on a local server unexpectedly. This occurs through the...

Exploit for CVE-2025-15030

CVE-2025-15030 User Profile Builder 3.15.2 - Unauthentica...

CVE-2026-3139

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 wppbsaveavatarvalue function due to missing validation on a user controlled key...

WordPress User Profile Builder - Beautiful User Registration Forms, User Profiles & User Role Editor plugin <= 3.15.5 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Post Author Reassignment via Avatar Field vulnerability

WordPress User Profile Builder - Beautiful User Registration Forms, User Profiles & User Role Editor plugin = 3.15.5 - Insecure Direct Object Reference to Authenticated Subscriber+ Arbitrary Post Author Reassignment via Avatar Field vulnerability discovered by type5afe in WordPress Plugin Profile...

EUVD-2026-17365

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 wppbsaveavatarvalue function due to missing validation on a user controlled key...

CVE-2026-3139

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 wppbsaveavatarvalue function due to missing validation on a user controlled key...

CVE-2026-3139 User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor <= 3.15.5 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Post Author Reassignment via Avatar Field

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 wppbsaveavatarvalue function due to missing validation on a user controlled key...

CVE-2026-3139 User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor <= 3.15.5 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Post Author Reassignment via Avatar Field

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 wppbsaveavatarvalue function due to missing validation on a user controlled key...

CVE-2026-3139

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 wppbsaveavatarvalue function due to missing validation on a user controlled key...

WordPress plugin User Profile Builder 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. There is...