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 Featured Image via URL plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation function in all versions up to, and including, 0.1. This makes it possible for authenticated attackers, with Contributor-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
Featured Image via URL versions 0.1 and earlier contain an unrestricted file upload vulnerability. An attacker with low-level site access can upload arbitrary files to the server without proper validation. This can lead to remote code execution, data theft, or site compromise. Update to a version newer than 0.1 immediately.
What an attacker can do
Upload arbitrary files to the server and execute malicious code on the site.
Potential impact on your site
Attackers with basic site access can take full control of your site, steal data, or inject malware.
Conditions required to exploit
Attacker needs a low-privilege account (e.g., contributor or subscriber role) on the site.
Key dates
External resources
