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 AP Background plugin for WordPress is vulnerable to arbitrary file uploads due to missing authorization and insufficient file validation within the advParallaxBackAdminSaveSlider() handler in versions 3.8.1 to 3.8.2. This makes it possible for authenticated attackers, with Subscriber-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
AP Background versions 3.8.1 through 3.8.2 contain an unrestricted file upload vulnerability. An authenticated user with low privileges 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 3.8.2.
What an attacker can do
Upload arbitrary files to the server and execute code on the site.
Potential impact on your site
Attackers with basic user accounts can upload malicious files and take control of your site.
Conditions required to exploit
Attacker must have a low-privilege authenticated account on the site.
Key dates
External resources
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