[MEDIUM] Grav: Page editors can inject arbitrary script into rendered pages via the Twig sandbox's assets.addJs/addCss allowlist, escalating to super-admin

PKSA-rjzr-vkvg-cvmf GHSA-8hgv-xc77-jmcr

Affected package: getgrav/grav

Affected version: <=2.0.19

Reported by:
GitHub