关键信息 Plugin Name: Drag & Drop Featured Image Version: 2.0.4 Description: A drag'n'drop replacement for the featured image metabox. Author: Jonathan Lundström Last Change: The code was last changed in commit , 7 months ago. Potential Vulnerabilities: Lack of Input Validation: The plugin does not appear to perform strict input validation, which could lead to potential injection attacks if user input is not handled properly. File Upload Vulnerabilities: The plugin allows file uploads. Without proper file validation, an attacker could exploit this to upload malicious files. AJAX Handling: AJAX requests for image uploads ( ) and setting featured images ( ) could be vulnerable if not properly sanitized. Security Recommendations: Validate and sanitize all user inputs. Implement file type and size restrictions. Update the AJAX functions with CSRF protection.