Arbitrary file upload in Fancy Product Designer plugin for WordPress

1) Arbitrary file upload

EUVDB-ID: #VU53745

Risk: Critical

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-24370

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:radykal:fancy_product_designer:2.0.0:*:*:*:*:*:*:
• cpe:2.3:a:radykal:fancy_product_designer:2.0.1:*:*:*:*:*:*:
• cpe:2.3:a:radykal:fancy_product_designer:2.0.2:*:*:*:*:*:*:

External links

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

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.