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.

All of the above Aapna WordPress theme through 1.3, Anand WordPress theme through 1.2, Anfaust WordPress theme through 1.1, Arendelle WordPress theme before 1.1.13, Atlast Business WordPress theme through 1.5.8.5, Bazaar Lite WordPress theme before 1.8.6, Brain Power WordPress theme through 1.2, BunnyPressLite WordPress theme before 2.1, Cafe Bistro WordPress theme before 1.1.4, College WordPress theme before 1.5.1, Connections Reloaded WordPress theme through 3.1, Counterpoint WordPress theme through 1.8.1, Digitally WordPress theme through 1.0.8, Directory WordPress theme before 3.0.2, Drop WordPress theme before 1.22, Everse WordPress theme before 1.2.4, Fashionable Store WordPress theme through 1.3.4, Fullbase WordPress theme before 1.2.1, Ilex WordPress theme before 1.4.2, Js O3 Lite WordPress theme through 1.5.8.2, Js Paper WordPress theme through 2.5.7, Kata WordPress theme before 1.2.9, Kata App WordPress theme through 1.0.5, Kata Business WordPress theme through 1.0.2, Looki …

Several themes for WordPress by DeoThemes are vulnerable to Reflected Cross-Site Scripting via breadcrumbs in various versions due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.