CVE-2023-34252
CVSS Score of 10 (low)
Details
Summary
CVE-2023-34252 is a logic flaw vulnerability in Grav, a flat-file content management system. The vulnerability exists in the `GravExtension.filterFilter()` function prior to version 1.7.42. It allows a low privileged attacker with login access to Grav Admin panel and page creation/update permissions to inject malicious templates and achieve remote code execution. The vulnerability can be found in the `/system/src/Grav/Common/Twig/Extension/GravExtension.php` file. To remediate this issue, users should upgrade to version 1.7.42 and ensure that the `twig.undefined_functions` and `twig.undefined_filters` properties in the configuration file are set to `false`. This vulnerability poses a high risk to organizations as it can lead to unauthorized code execution and potential compromise of sensitive data or systems.
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