A SSRF issue was discovered in Concrete CMS through 8.5.5. Users can access forbidden files on their local network. A user with permissions to upload files from external sites can upload a URL that redirects to an internal resource of any file type. The redirect is followed and loads the contents of the file from the redirected-to server. Files of disallowed types can be uploaded.

The Remote Content Shortcode plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.5 via the remote_content shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

The Seraphinite Accelerator plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.20.52 via the OnAdminApi_HtmlCheck function. This makes it possible for authenticated attackers, with subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

The Your Friendly Drag and Drop Page Builder — Make Builder plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.1.10 via the make_builder_ajax_subscribe() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

The Enfold theme for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.0.9 via the 'attachment_id' parameter. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

The Zapier for WordPress plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.5.1 via the updated_user() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application which can be used to query and modify information from internal services.