A PHP script in the source code release echoes arbitrary POST data. If a developer adopts this structure wholesale in a live application, it could create a Reflective Cross-Site Scripting (XSS) vulnerability exploitable through Cross-Site Request Forgery (CSRF).
id: CVE-2025-47204
info:
name: Bootstrap Multiselect <= 1.1.2 - Cross-Site Scripting
author: r3
...