What is CVE-2023-34251?

CVE-2023-34251 is a critical-severity vulnerability in Getgrav Grav, classified under Code Injection. CVSS score: 10.0/10. Published 2023-06-14.

How severe is CVE-2023-34251?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Getgrav Grav

CVE-2023-34251

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 edi…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.026 (85.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Getgrav Grav — versions < 1.7.42

Weakness classification (CWE)

CWE-94 — Code Injection

References

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

Frequently asked questions

What is CVE-2023-34251?: CVE-2023-34251 is a critical-severity vulnerability in Getgrav Grav, classified under Code Injection. CVSS score: 10.0/10. Published 2023-06-14.
How severe is CVE-2023-34251?: Critical severity. CVSS v3 base score is 10.0 out of 10.