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CVE PROGRAM SOURCE RECORD8.4 High

CVE-2021-29440

Twig allowing dangerous PHP functions by default

Description

Grav is a file based Web-platform. Twig processing of static pages can be enabled in the front matter by any administrative user allowed to create or edit pages. As the Twig processor runs unsandboxed, this behavior can be used to gain arbitrary code execution and elevate privileges on the instance. The issue was addressed in version 1.7.11.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

getgrav grav

  • < 1.7.11affected

References