Vulnerability CVE-2023-34251
Published: 2023-06-14   Modified: 2023-06-15

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.

Type:

CWE-94

 (Improper Control of Generation of Code ('Code Injection'))

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