CVE-2026-86197 - Grav before 2.0.20 Cross-Site Scripting via Assets Sandbox
Brief
CVE ID : CVE-2026-86197
Published : Sept. 5, 2026, 1:18 p. m.
- 7 hours, 27 minutes ago
Description : Grav before 2.
- 20 contains a cross-site scripting vulnerability in the Twig sandbox policy that allowlists addJs and addCss methods on Grav\Common\Assets without proper output escaping. Page editors can inject arbitrary script by registering malicious assets or injecting attributes, which are rendered unescaped into document head tags and executed for all visitors including administrators.
Severity: 5.1
- MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...