The AMP for WP – Accelerated Mobile Pages plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.99.1. This is due to missing or incorrect nonce validation on the 'proxy' function. This makes it possible for unauthenticated attackers to send the logged in user's cookies to their own server via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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.

IBM OpenPages 8.3 and 9.0 potentially exposes information about client-side source code through use of JavaScript source maps to unauthorized users.

IBM OpenPages with Watson 8.3 and 9.0 could allow authenticated users access to sensitive information through improper authorization controls on APIs.

The AMP for WP – Accelerated Mobile Pages plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 1.0.96.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

The MaxiBlocks: 2200+ Patterns, 190 Pages, 14.2K Icons & 100 Styles plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the maxi_remove_custom_image_size and maxi_add_custom_image_size functions in all versions up to, and including, 1.9.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php).

The Duplica – Duplicate Posts, Pages, Custom Posts or Users plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the duplicate_user and duplicate_post functions in all versions up to, and including, 0.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create duplicates of users and posts/pages.

The WP2Speed Faster – Optimize PageSpeed Insights Score 90-100 plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 1.0.1. This is due to the use of hardcoded credentials to authenticate all the incoming API requests. This makes it possible for unauthenticated attackers to overwrite CSS, update the trial settings, purge the cache, and find attachments.

The Nested Pages plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.2.7. This is due to missing or incorrect nonce validation on the 'settingsPage' function and missing santization of the 'tab' parameter. This makes it possible for unauthenticated attackers to call local php files via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The ConvertKit – Email Newsletter, Email Marketing, Subscribers and Landing Pages plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the tag_subscriber function in all versions up to, and including, 2.4.9. This makes it possible for unauthenticated attackers to subscribe users to tags. Financial damages may occur to site owners if their API quota is exceeded.