The Discover the Best Woocommerce Product Brands Plugin for WordPress – Woocommerce Brands Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'product_brand' shortcode in all versions up to, and including, 1.3.2 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 GS Insever Portfolio plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_settings() function in all versions up to, and including, 1.4.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the plugin's CSS settings.

The WordPress Book Plugin for Displaying Books in Grid, Flip, Slider, Popup Layout and more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'gs_book_showcase' shortcode in all versions up to, and including, 1.3.1 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 WordPress Portfolio Plugin – A Plugin for Making Filterable Portfolio Grid, Portfolio Slider and more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'gs_portfolio' shortcode in all versions up to, and including, 1.6.3 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 WordPress Pinterest Plugin – Make a Popup, User Profile, Masonry and Gallery Layout plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'gs_pin_widget' shortcode in all versions up to, and including, 1.8.8 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.