#VU83579 Security features bypass in October CMS - CVE-2023-44382

Vulnerability identifier: #VU83579

Vulnerability risk: Low

CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-44382

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
October CMS
Web applications / CMS

Vendor: OctoberCMS

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to improper input validation in Twig sandbox. A remote user with the editor.cms_pages, editor.cms_layouts, or editor.cms_partials permissions can bypass safe mode restrictions and execute arbitrary PHP code via template files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

October CMS: 3.0.0 - 3.0.74, 3.1.0 - 3.1.26, 3.2.0 - 3.2.11, 3.3.0 - 3.3.11, 3.4.0 - 3.4.14

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External links
https://github.com/octobercms/october/security/advisories/GHSA-p8q3-h652-65vx

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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.