Edwardie Fileupload New May 2026

import os from werkzeug.utils import secure_filename

class FileUpload: def save(self, file): # Insufficient validation and sanitization filename = file.filename file.save(os.path.join(UPLOAD_FOLDER, filename)) The save() method does not check the file type, validate the file contents, or sanitize the filename. To fix the vulnerability, update the FileUpload class to include proper validation and sanitization: edwardie fileupload new

class FileUpload: def save(self, file): # Validate file type if file.filename.split(".")[-1] not in ALLOWED_EXTENSIONS: raise ValueError("Invalid file type") import os from werkzeug

# Sanitize filename filename = secure_filename(file.filename) validate the file contents

# Malicious file file = open("malicious_file.txt", "rb")