Insufficient server-side validation of user input could allow an attacker to bypass file upload restrictions in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2.
The wp-file-upload plugin before 2.5.0 for WordPress has insufficient restrictions on upload of .php files.
The wp-file-upload plugin before 2.7.1 for WordPress has insufficient restrictions on upload of .js files.
The wp-file-upload plugin before 3.0.0 for WordPress has insufficient restrictions on upload of php, js, pht, php3, php4, php5, phtml, htm, html, and htaccess files.
The wp-file-upload plugin before 3.4.1 for WordPress has insufficient restrictions on upload of .php.js files.
The estatik plugin before 2.3.0 for WordPress has unauthenticated arbitrary file upload via es_media_images[] to wp-admin/admin-ajax.php.
The Pixidou Image Editor in Exponent CMS prior to v2.3.9 patch 2 could be used to upload a malicious file to any folder on the site via a cpi directory traversal.