Exploit for WP Crowdfunding < 2.1.8 - Admin+ Stored XSS CVE-2023-5757

## https://sploitus.com/exploit?id=WPEX-ID:2ADC5995-03A9-4860-B00B-7F8D7FE18058
1. Add a campaign and for the reward descrption enter the payload `<script>alert(1)</script>`
2. When the campaign is published, view it in the campaign list and see the alert box.