Grav CMS 1.7.49 is vulnerable to Cross Site Scripting (XSS). The page editor allows authenticated users to edit page content via a Markdown editor. The editor fails to properly sanitize <script> tags, allowing stored XSS payloads to execute when pages are viewed in the admin interface.
https://github.com/lukehebe/Vulnerability-Disclosures/blob/main/CVE-2025-65186.pdf