Vulnerability identifier: #VU86806

Vulnerability risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26483

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kirby
Web applications / Modules and components for CMS

Vendor: Ian Stewart

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload within user avatar images. A remote user can upload a malicious file and execute it on the server.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Kirby: 3.6.0 - 4.1.0

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External links
http://shrouded-trowel-50c.notion.site/Kirby-CMS-4-1-0-Unrestricted-File-Upload-dc60ce3132f04442b73f2dba2631fae0?pvs=4

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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