【中文导读】Embed PDF for WPForms 存在远程代码执行、任意文件上传风险（高危风险）。具体受影响版本、触发条件和修复方案以 NVD/厂商公告为准。 【原始描述】The Embed PDF for WPForms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ajax_handler_download_pdf_media function in all versions up to, and including, 1.1.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.