CVE-2023-34251

Grav Server Side Template Injection vulnerability

State: Published
Severity: 10.0 Critical
Published: Jun 14, 2023
Updated: Dec 27, 2024
Reserved: May 31, 2023

Description

Grav is a flat-file content management system. Versions prior to 1.7.42 are vulnerable to server side template injection. Remote code execution is possible by embedding malicious PHP code on the administrator screen by a user with page editing privileges. Version 1.7.42 contains a fix for this issue.

Scores

CVSS	Score	Vector	Source
3.1	10.0 Critical	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
gravgetgrav	< 1.7.42Affected

References

https://github.com/getgrav/grav/security/advisories/GHSA-f9jf-4cp4-4fq5
https://github.com/getgrav/grav/commit/9d01140a63c77075ef09b26ef57cf186138151a5
https://github.com/getgrav/grav/blob/develop/system/src/Grav/Common/Twig/Extension/GravExtension.php#L174

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