The Beautiful taxonomy filters plugin for WordPress is vulnerable to SQL Injection via the 'selects[0][term]' parameter in all versions up to, and including, 2.4.3 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.

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.

Cross-Site Request Forgery (CSRF) vulnerability in Andrea Landonio Taxonomy filter allows Cross Site Request Forgery.This issue affects Taxonomy filter: from n/a through 2.2.9.

Multiple cross-site scripting (XSS) vulnerabilities in the Taxonomy Filter module 6.x before 6.x-1.1 for Drupal allow remote authenticated users, with administer taxonomy permissions or create node permissions when free tagging is enabled, to inject arbitrary web script or HTML via vocabulary (1) names, (2) terms, and (3) filter menus.