Code Injection in Grav CMS - CVE-2023-34251

 

Code Injection in Grav CMS - CVE-2023-34251

Published: June 19, 2023


Vulnerability identifier: #VU77507
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:P/U:Clear
CVE-ID: CVE-2023-34251
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 admin screen. A remote administrator can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2023-34251

Install updates from vendor's website.

Sources