CVE-2024-28119

Public Exploit
Grav vulnerable to Server Side Template Injection (SSTI) via Twig escape handler

Description

Grav is an open-source, flat-file content management system. Prior to version 1.7.45, due to the unrestricted access to twig extension class from grav context, an attacker can redefine the escape function and execute arbitrary commands. 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. Version 1.7.45 contains a patch for this issue.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 1.04% Top 25%
Vendor Advisory github.com
Affected: getgrav grav
Published at:
Updated at:

References

Link Tags
https://github.com/getgrav/grav/security/advisories/GHSA-2m7x-c7px-hp58 vendor advisory exploit
https://github.com/getgrav/grav/commit/de1ccfa12dbcbf526104d68c1a6bc202a98698fe patch
https://github.com/twigphp/Twig/blob/3.x/src/Extension/EscaperExtension.php#L99 product

Frequently Asked Questions

What is the severity of CVE-2024-28119?
CVE-2024-28119 has been scored as a high severity vulnerability.
How to fix CVE-2024-28119?
To fix CVE-2024-28119, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-28119 being actively exploited in the wild?
It is possible that CVE-2024-28119 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-28119?
CVE-2024-28119 affects getgrav grav.
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