#VU27343 Arbitrary file upload in Simple File List

Vulnerability identifier: #VU27343

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Simple File List
Web applications / Modules and components for CMS

Vendor: Mitchell Bennis - Element Engage, LLC

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of files during file upload. A remote attacker can upload a file containing PHP code but with a png image file extension, then send a second request to move (rename) the png file to a php file and execute arbitrary file on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Simple File List: 1.0.1 - 4.2.2

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External links
https://wpvulndb.com/vulnerabilities/10192/
https://plugins.trac.wordpress.org/changeset/2286920/simple-file-list
https://simplefilelist.com/

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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.