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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Interfacelab Media Cloud for Amazon S3, Imgix, Google Cloud Storage, DigitalOcean Spaces and more allows Stored XSS.This issue affects Media Cloud for Amazon S3, Imgix, Google Cloud Storage, DigitalOcean Spaces and more: from n/a through 4.5.24.

The WordPress Amazon S3 Plugin WordPress plugin before 1.6 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

The Easy Digital Downloads (EDD) Amazon S3 extension for WordPress, as used with EDD 1.8.x before 1.8.7, 1.9.x before 1.9.10, 2.0.x before 2.0.5, 2.1.x before 2.1.11, 2.2.x before 2.2.9, and 2.3.x before 2.3.7, has XSS because add_query_arg is misused.

The s3bubble-amazon-s3-audio-streaming plugin 2.0 for WordPress has directory traversal via the adverts/assets/plugins/ultimate/content/downloader.php path parameter.

The s3bubble-amazon-s3-html-5-video-with-adverts plugin 0.7 for WordPress has directory traversal via the adverts/assets/plugins/ultimate/content/downloader.php path parameter.