#VU77510 Code Injection in Grav CMS


Published: 2023-06-19

Vulnerability identifier: #VU77510

Vulnerability risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-30592

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Grav CMS
Web applications / CMS

Vendor: Grav CMS

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Grav CMS: 1.7.0 - 1.7.40


External links
http://github.com/getgrav/grav/security/advisories/GHSA-j3v8-v77f-fvgm


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability