CVE-2026-86197
NONE—CVSS v3
—CVSS v2
0.26%
EPSS (exploit probability)
CWE-79CWE
Description
Grav before 2.0.20 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.
Affected routers (0)
No routers currently mapped to this CVE in our database.