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 Download Plugins and Themes in ZIP from Dashboard plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 1.9.1. 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.

The Download Plugins and Themes in ZIP from Dashboard plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.8.7. This is due to missing or incorrect nonce validation on the download_theme() function. This makes it possible for unauthenticated attackers to download arbitrary themes from the website via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. In versions prior to 1.8.6 it was possible to download the entire sites files.

Path traversal vulnerability exists in Download Plugins and Themes from Dashboard versions prior to 1.8.6. If this vulnerability is exploited, a remote authenticated attacker with "switch_themes" privilege may obtain arbitrary files on the server.

Cross-Site Request Forgery (CSRF) vulnerability in Metagauss Download Theme plugin <= 1.0.9 versions.

includes/settings/class-alg-download-plugins-settings.php in the download-plugins-dashboard plugin through 1.5.0 for WordPress has multiple unauthenticated stored XSS issues.