Name: CVE-2021-4455: Unrestricted Upload of File with Dangerous Type
Creator: Rapid7
Published: 2025-04-19T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-4455, CVSS 9.8, EPSS 0.02086

The Wordpress Plugin Smart Product Review plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 1.0.4. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Smart Product Review Plugin	—	Update smart-product-review plugin to version 1.0.5, or a newer patched version	May 15, 2025	Nov 16, 2021

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence