CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
What the vulnerability does
The Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.16.10 via the compression_level setting. This is due to the plugin using the compression_level setting in proc_open() without any validation. This makes it possible for authenticated attackers, with administrator-level access and above, to execute code on the server.
Explanation of Vulnerability in Simple Terms
Total Upkeep contains a command injection vulnerability in versions up to 1.16.10. An authenticated administrator can inject arbitrary system commands through an unvalidated input parameter. This allows execution of arbitrary code on the server with the privileges of the web server process. Sites running affected versions should update immediately.
What an attacker can do
Run arbitrary system commands on the server with web server privileges.
Potential impact on your site
An admin account compromise allows full server takeover and data theft.
Conditions required to exploit
Attacker must have administrator access to the WordPress site.
Key dates
External resources
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