WP Crowdfunding < 2.1.9 - Reflected XSS

Description The plugin does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

PoC

1. Add a “Campaign Search” widget to your site (via Appearance > Customise > Widgets for example) 2. Access the URL: https://www.example.com/?s=">&post;_type=product&product;_type=croudfunding 3. See the XSS.