Zero-day vulnerability in Fancy Product Designer

Arbitrary file upload

The vulnerability was used to upload arbitrary files on the target system.

Vulnerability details

Advisory: SB2021060211 - Arbitrary file upload in Fancy Product Designer plugin for WordPress

Vulnerable component: Fancy Product Designer

CVE-ID: CVE-2021-24370

CVSSv3 score: 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

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


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.

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