The WP User Manager WordPress plugin before 2.6.3 does not ensure that the user ID to reset the password of is related to the reset key given. As a result, any authenticated user can reset the password (to an arbitrary value) of any user knowing only their ID, and gain access to their account.

The Bulk Edit and Create User Profiles WordPress plugin before 1.5.14 does not sanitise and escape the Users Login, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

The WP Email Users WordPress plugin through 1.7.6 does not escape the data_raw parameter in the weu_selected_users_1 AJAX action, available to any authenticated users, allowing them to perform SQL injection attacks.

The UsersWP WordPress plugin before 1.2.3.1 is missing access controls when updating a user avatar, and does not make sure file names for user avatars are unique, allowing a logged in user to overwrite another users avatar.

The WP User WordPress plugin before 7.0 does not sanitise and escape some parameters in pages where the [wp_user] shortcode is used, leading to Reflected Cross-Site Scripting issues

Numerous Plugins and Themes from the AccessPress Themes (aka Access Keys) vendor are backdoored due to their website being compromised. Only plugins and themes downloaded via the vendor website are affected, and those hosted on wordpress.org are not. However, all of them were updated or removed to avoid any confusion

The WP User Frontend WordPress plugin before 3.5.26 does not validate and escape the status parameter before using it in a SQL statement in the Subscribers dashboard, leading to an SQL injection. Due to the lack of sanitisation and escaping, this could also lead to Reflected Cross-Site Scripting

The Cookie Notification Plugin for WordPress plugin before 1.0.9 does not sanitise or escape the id GET parameter before using it in a SQL statement, when retrieving the setting to edit in the admin dashboard, leading to an authenticated SQL Injection

The Edit Role functionality in the Display Users WordPress plugin through 2.0.0 had an `id` parameter which is not sanitised, escaped or validated before inserting to a SQL statement, leading to SQL injection.

WP User Groups version 2.0.0 contains a Cross ite Request Forgery (CSRF) vulnerability in Settings page that can result in allows anybody to modify user groups and types. This attack appear to be exploitable via Admin must click on link. This vulnerability appears to have been fixed in 2.1.1.