CVE-2026-86197: Grav: Page editors can inject arbitrary script into rendered pages via the Twig sandbox's assets.addJs/addCss allowlist, escalating to super-admin

medium Affects getgrav/grav. Feed 2026.10.29.4, updated 2026-10-29; published 2026-08-21; advisory modified 2026-09-10.

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

Package: getgrav/grav Composer
Affected versions: <2.0.20
Fixed in: 2.0.20
Severity: medium
Exploitation: not on CISA KEV · EPSS 0% (35.4th percentile)
Published: 2026-08-21
Source: osv.dev

References

CWE-79

NVD record getgrav/grav advisories

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