Code Injection in Grav CMS - CVE-2023-30592

 

Code Injection in Grav CMS - CVE-2023-30592

Published: June 19, 2023


Vulnerability identifier: #VU77510
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-30592
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Grav CMS
Affected software:
Grav CMS

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to Server Side Template Injection (SSTI) issue in the Utils::isDangerousFunction() function. A remote administrator can send a specially crafted request and execute arbitrary code on the target system.


How to mitigate CVE-2023-30592

Install updates from vendor's website.

Sources