#VU63675 Arbitrary file upload in Publify - CVE-2022-1811

Vulnerability identifier: #VU63675

Vulnerability risk: Medium

CVSSv4.0: 7.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-1811

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

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

Vendor: Publify

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the resources/upload script. A remote user can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Publify: 9.0.0 - 9.2.8

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External links
https://github.com/publify/publify/commit/0fb6b027fbaf17f6a6551f2148482a03eac12927
https://huntr.dev/bounties/4d97f665-c9f1-4c38-b774-692255a7c44c

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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. However, proof of concept for this vulnerability is available.