{"version":"2.1.91","anchor":"file-upload-filename-sanitization","canonical_anchor":"file-upload-filename-sanitization","heading":"File Upload Filename Sanitization","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.91\/e\/file-upload-filename-sanitization","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.91","markdown":"### File Upload Filename Sanitization\n\nFile upload form data now properly escapes special characters (newlines, backslashes, quotes) in filenames, preventing malformed multipart requests.\n\n**Evidence**\n\nFilename escaping function `hMK()` (search for `\"Content-Disposition: form-data\"` in the string changes)"}