CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What the vulnerability does
The Echo RSS Feed Post Generator plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the echo_generate_featured_image() function in all versions up to, and including, 5.4.8.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Explanation of Vulnerability in Simple Terms
Echo RSS Feed Post Generator versions up to 5.4.8.1 contain an unrestricted file upload vulnerability. An attacker can upload arbitrary files to the server without authentication, potentially gaining the ability to run their own code on the site. This affects all installations of the plugin and requires no user interaction to exploit.
What an attacker can do
Upload arbitrary files to the server and execute code on the site without authentication.
Potential impact on your site
Complete compromise of the site: attackers can read all data, modify content, and take full control of the server.
Conditions required to exploit
Network access to the site; no authentication or user interaction required.
Key dates
External resources
