Headline
GHSA-cchq-397m-q2qm: Grav CMS is vulnerable to Cross Site Scripting (XSS) in the page editor
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.
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- GitHub Advisory Database
- GitHub Reviewed
- CVE-2025-65186
Grav CMS is vulnerable to Cross Site Scripting (XSS) in the page editor
Moderate severity GitHub Reviewed Published Dec 2, 2025 to the GitHub Advisory Database • Updated Dec 3, 2025
Package
Affected versions
<= 1.7.49
Description
Published to the GitHub Advisory Database
Dec 2, 2025
EPSS score