CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
What the vulnerability does
The LightSync Pro plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the rest_replace_media() function in all versions up to, and including, 2.1.6. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
Explanation of Vulnerability in Simple Terms
LightSync Pro versions up to 2.1.6 allow authenticated users to upload files without proper type validation. An attacker with a low-privilege account can upload malicious files that may be executed on the server, potentially compromising the entire application. The vulnerability requires valid credentials but no additional user interaction.
What an attacker can do
Upload and execute malicious files on the server to compromise the application.
Potential impact on your site
Authenticated users can upload dangerous files that execute on your server, risking full application compromise.
Conditions required to exploit
Attacker must have a valid low-privilege user account; no user interaction required.
Key dates
External resources
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