The Front End Users plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's forgot-password shortcode in all versions up to, and including, 3.2.30 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The Front End Users plugin for WordPress is vulnerable to time-based SQL Injection via the ‘order’ parameter in all versions up to, and including, 3.2.28 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Contributor-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Front End Users plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'user-search' shortcode in all versions up to, and including, 3.2.28 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 1.2.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Etoile Web Design Front End Users allows Reflected XSS.This issue affects Front End Users: from n/a before 3.2.25.

Cross-Site Request Forgery (CSRF) vulnerability in Etoile Web Design Front End Users plugin <= 3.2.24 versions.