CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
What the vulnerability does
The WP STAGING WordPress Backup Plugin – Migration Backup Restore plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the wpstg_processing AJAX action in all versions up to, and including, 3.4.3. This makes it possible for authenticated attackers, with administrator-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
WP Staging versions up to 3.4.3 allow administrators to upload files without proper validation. An attacker with admin access can upload malicious files to the site, potentially gaining full control. The vulnerability affects file handling across the entire WordPress installation due to scope change. Update to a version newer than 3.4.3 immediately.
What an attacker can do
Upload malicious files and execute code on the site with full administrative privileges.
Potential impact on your site
A compromised admin account can upload files that compromise your entire WordPress installation and hosted data.
Conditions required to exploit
Attacker must have WordPress administrator account access; no user interaction required.
Key dates
External resources
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