Vulnerability identifier: #VU60799

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-2022-21705

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 bypass implemented security restrictions.

The vulnerability exists due to incorrect safe mode implementation. A remote authenticated user with permissions to create, modify and delete website pages can bypass cms.safe_mode or cms.enableSafeMode settings and execute arbitrary code on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

October CMS: 2.1.0 - 2.1.26, 1.1.0 - 1.1.9, 1.0.319 - 1.0.473

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External links
http://github.com/octobercms/october/security/advisories/GHSA-79jw-2f46-wv22/

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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.