#VU53745 Arbitrary file upload in Fancy Product Designer - CVE-2021-24370

Vulnerability identifier: #VU53745

Vulnerability risk: Critical

CVSSv4.0: 9.3 [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:A/U:Red]

CVE-ID: CVE-2021-24370

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Fancy Product Designer
Web applications / Modules and components for CMS

Vendor: radykal

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in "wp-admin" or "wp-content/plugins/fancy-product-designer/inc". A remote attacker can upload a malicious file and execute it on the server.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Fancy Product Designer: 2.0.0 - 4.6.8

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External links
https://www.wordfence.com/blog/2021/06/critical-0-day-in-fancy-product-designer-under-active-attack/

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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?

Yes. This vulnerability is being exploited in the wild.