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 WebStack theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the io_img_upload() function in all versions up to, and including, 1.2024. 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
Owen WebStack versions up to 1.2024 allow unauthenticated attackers to upload arbitrary files over the network without user interaction. An attacker can upload malicious files to the server, potentially leading to remote code execution or site compromise. No authentication or special privileges are required to exploit this vulnerability.
What an attacker can do
Upload arbitrary files to the server without authentication, potentially executing malicious code.
Potential impact on your site
Complete site compromise possible; attacker can upload and execute malicious code with full server privileges.
Conditions required to exploit
Network access to the WebStack instance; no authentication or user interaction required.
Key dates
External resources
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