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.
{
"github_reviewed_at": "2025-12-03T14:18:29Z",
"nvd_published_at": "2025-12-02T17:16:06Z",
"severity": "MODERATE",
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true
}