Vulnerability identifier: #VU78376

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Craft CMS
Web applications / CMS

Vendor: Pixel & Tonic, Inc.

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Craft CMS: 3.8.0 - 4.4.15

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External links
http://github.com/craftcms/cms/releases/tag/3.8.16
http://github.com/craftcms/cms/releases/tag/4.4.16

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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