{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"Simple Shopping Cart","vendor":"mra13","versions":[{"lessThanOrEqual":"5.1.3","status":"affected","version":"0","versionType":"semver"}]}],"source":"security@wordfence.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:tipsandtricks-hq:wordpress_simple_paypal_shopping_cart:*:*:*:*:*:wordpress:*:*","matchCriteriaId":"D17656F6-1EC3-497A-8471-FEEEAE9B5173","versionEndExcluding":"5.1.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"The WordPress Simple Shopping Cart plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.3 via the 'process_payment_data' due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to change the quantity of a product to a negative number, which subtracts the product cost from the total order cost. The attack will only work with Manual Checkout mode, as PayPal and Stripe will not process payments for a negative quantity."},{"lang":"es","value":"El complemento Simple Shopping Cart para WordPress es vulnerable a una Referencia Directa a Objetos Insegura en todas las versiones hasta la 5.1.3 incluida, a través de 'process_payment_data', debido a la falta de validación en una clave controlada por el usuario. Esto permite a atacantes no autenticados cambiar la cantidad de un producto a un número negativo, lo que resta el coste del producto del coste total del pedido. El ataque solo funciona con el modo de pago manual, ya que PayPal y Stripe no procesan pagos por cantidades negativas."}],"id":"CVE-2025-3889","lastModified":"2026-06-17T09:20:52.150","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"exploitabilityScore":3.9,"impactScore":1.4,"source":"security@wordfence.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"exploitabilityScore":3.9,"impactScore":1.4,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2025-3889","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-05-01T13:47:44.668575Z","version":"2.0.3"}}]},"published":"2025-05-01T12:15:17.630","references":[{"source":"security@wordfence.com","tags":["Product"],"url":"https://plugins.trac.wordpress.org/browser/wordpress-simple-paypal-shopping-cart/tags/5.1.2/wp_shopping_cart.php#L324"},{"source":"security@wordfence.com","tags":["Patch"],"url":"https://plugins.trac.wordpress.org/changeset/3284572/"},{"source":"security@wordfence.com","tags":["Product"],"url":"https://www.tipsandtricks-hq.com/ecommerce/simple-shopping-cart-enabling-manual-offline-checkout"},{"source":"security@wordfence.com","tags":["Product"],"url":"https://www.tipsandtricks-hq.com/ecommerce/wp-shopping-cart"},{"source":"security@wordfence.com","tags":["Third Party Advisory"],"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/41212533-535e-4a9e-a9b8-1240021a3752?source=cve"}],"sourceIdentifier":"security@wordfence.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-639"}],"source":"security@wordfence.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-639"}],"source":"nvd@nist.gov","type":"Primary"}]}