Vulnerability identifier: #VU82460

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: CVE-2023-43792

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
baserCMS
Web applications / CMS

Vendor: baserproject

Description

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

The vulnerability exists due to improper input validation in Mail Form feature. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

baserCMS: 4.7.0 - 4.7.6

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External links
http://github.com/baserproject/basercms/security/advisories/GHSA-vrm6-c878-fpq6
http://jvn.jp/en/jp/JVN45547161/index.html

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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.