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CVE-2023-34251

9.9 · CRITICAL

Grav is a flat-file content management system.

Published Jun 14, 2023CWE-94EPSS 2.34%

Overview

CVE-2023-34251 is a critical-severity vulnerability. It was published on June 14, 2023 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/getgrav/grav/blob/develop/system/src/Grav/Common/Twig/Extension/GravExtension.php#L174GitHubgithub.com/getgrav/grav/commit/9d01140a63c77075ef09b26ef57cf186138151a5GitHubgithub.com/getgrav/grav/security/advisories/GHSA-f9jf-4cp4-4fq5GitHubgithub.com/getgrav/grav/blob/develop/system/src/Grav/Common/Twig/Extension/GravExtension.php#L174GitHubgithub.com/getgrav/grav/commit/9d01140a63c77075ef09b26ef57cf186138151a5GitHubgithub.com/getgrav/grav/security/advisories/GHSA-f9jf-4cp4-4fq5

How CyberStrike helps

Frequently asked questions

What is CVE-2023-34251?

CVE-2023-34251 is a critical-severity vulnerability. It was published on June 14, 2023 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2023-34251?

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-34251?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-34251?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-34251 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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