#VU59616 Code Injection in October CMS


Published: 2022-01-14

Vulnerability identifier: #VU59616

Vulnerability risk: Medium

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-2021-32649

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
October CMS
Web applications / CMS

Vendor: OctoberCMS

Description

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

The vulnerability exists due to improper input validation. A remote user with "create, modify and delete website pages" privileges can execute PHP code by running specially crafted Twig code in the template markup.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

October CMS: 1.1.0 - 1.1.5, 1.0.319 - 1.0.472


External links
http://github.com/octobercms/october/security/advisories/GHSA-wv23-pfj7-2mjj/


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