A vulnerability was found in Drag and Drop Multiple File Upload Contact Form 7 5.0.6.1 on WordPress. It has been classified as critical. Affected is an unknown function of the file admin-ajax.php. The manipulation of the argument uploadname leads to relative path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-222072.

The drag-and-drop-multiple-file-upload-contact-form-7 plugin before 1.3.3.3 for WordPress allows Unrestricted File Upload and remote code execution by setting supportedtype to php% and uploading a .php% file.

The Drag and Drop Multiple File Upload PRO - Contact Form 7 Standard WordPress plugin before 2.11.1 and Drag and Drop Multiple File Upload PRO - Contact Form 7 with Remote Storage Integrations WordPress plugin before 5.0.6.4 do 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 admins.

The Drag and Drop Multiple File Upload WordPress plugin before 1.3.6.3 allows SVG files to be uploaded by default via the dndcodedropzupload AJAX action, which could lead to Stored Cross-Site Scripting issue

The Drag and Drop Multiple File Upload WordPress plugin before 1.3.6.5 does not properly check for the upload size limit set in forms, taking the value from user input sent when submitting the form. As a result, attackers could control the file length limit and bypass the limit set by admins in the contact form.