Title: Reflected XSS Product: WordPress WooCommerce - Advanced Order Export plugin. Vendor Homepage: https://algolplus.com/plugins/downloads/advanced-order-export-for-woocommerce-pro/ Vulnerable Version: 3.1.3 Fixed Version: 3.1.4 CVE Number: CVE-2020-11727 Author: Jack Misiura from The Missing Link Website: https://www.themissinglink.com.au Timeline: 2020-04-08 Disclosed to Vendor 2020-04-08 Vendor sends fix for testing 2020-04-09 Fix confirmed 2020-04-28 Vendor publishes fix 2020-05-04 Publication 1. Vulnerability Description The WordPress Advanced Order Export WooCommerce plugin does not sanitise the woe_post_type parameter which can be passed through in the URL, allowing for HTML or JavaScript injection. 2. PoC On a WordPress installation with WooCommerce and a vulnerable Advanced Order Export plugin, issue the following request while logged in as Administrator: https://wp-site/wp-admin/admin.php?page=wc-order-export&tab=export&woe_post_type=%22%3E%3Cscript%3Ealert(1);#segment=common 3. Solution The vendor provides an updated version (3.1.4) which should be installed immediately. 4. Advisory URL https://www.themissinglink.com.au/security-advisories