{"id":"CVE-2026-106014","kind":"vulnerability","aliases":["CVE-2026-106014"],"related":[],"title":"WordPress Vantiv gateway plugin accepts forged payment notifications, marking orders paid","description":"The Gateway for Vantiv on WC WordPress plugin through 1.0.1 does not verify the authenticity of the payment notification received on its hosted-payment return handler, allowing unauthenticated attackers to mark orders as paid without actually paying.","summary":"The Gateway for Vantiv on WC WordPress plugin through 1.0.1 does not verify that payment notifications on its hosted-payment return handler are authentic. An unauthenticated attacker can mark WooCommerce orders as paid without paying.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","payments","self-hosted","woocommerce","wordpress"],"not_affected_if":["gateway-not-enabled","plugin-not-installed"],"how_to_check":"- Check the installed version of the Gateway for Vantiv on WC plugin in the WordPress admin plugins list, or with `wp plugin get <plugin-slug> --field=version`\n- Confirm whether the installed version is `1.0.1` or earlier\n- Review recent orders marked paid with no matching payment record at the processor","fix":null,"status":"open","published_at":"2026-10-19T06:17:17+00:00","first_seen_at":"2026-10-23T21:57:17+00:00","triaged_at":"2026-10-25T04:26:41+00:00","updated_at":"2026-10-25T04:26:41+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T04:26:41Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"WordPress Vantiv gateway plugin accepts forged payment notifications, marking orders paid","impact":"medium","summary":"The Gateway for Vantiv on WC WordPress plugin through 1.0.1 does not verify that payment notifications on its hosted-payment return handler are authentic. An unauthenticated attacker can mark WooCommerce orders as paid without paying.","category":"package","nicknames":[],"who_cares":["wordpress","woocommerce","payments","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker marks orders paid without paying, causing goods to ship unpaid","analyst_note":"Find whether a fixed plugin version exists and the vendor's advisory, as the sources give no fix version. Source is NVD only.","how_to_check":"- Check the installed version of the Gateway for Vantiv on WC plugin in the WordPress admin plugins list, or with `wp plugin get <plugin-slug> --field=version`\n- Confirm whether the installed version is `1.0.1` or earlier\n- Review recent orders marked paid with no matching payment record at the processor","needs_analyst":true,"not_affected_if":["plugin-not-installed","gateway-not-enabled"],"who_is_affected":"Sites running WooCommerce with the Gateway for Vantiv on WC plugin at version 1.0.1 or earlier, where the hosted-payment return handler is reachable from the internet. Sites that do not use this gateway, or that run a later version the sources do not name, can skip it. The sources do not say whether a patched version exists.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00063,"input_tokens":3306,"output_tokens":598,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-106014':14A,17A '-2026':13A,16A '1.0.1':34B,70C 'accept':5A 'actual':97C 'allow':88C 'attack':52B,90C 'authent':49B,75C 'cve':12A,15A 'forg':6A 'gateway':3A,26B,62C 'handler':47B,87C 'host':22B,44B,84C 'hosted-pay':43B,83C 'mark':9A,54B,92C 'notif':8A,40B,79C 'order':10A,56B,93C 'packag':18B 'paid':11A,58B,95C 'pay':60B,98C 'payment':7A,19B,39B,45B,78C,85C 'plugin':4A,32B,68C 'receiv':80C 'return':46B,86C 'self':21B 'self-host':20B 'unauthent':51B,89C 'vantiv':2A,28B,64C 'verifi':37B,73C 'wc':30B,66C 'without':59B,96C 'woocommerc':23B,55B 'wordpress':1A,24B,31B,67C","nicknames":[],"mitigations":[],"who_affected":"Sites running WooCommerce with the Gateway for Vantiv on WC plugin at version 1.0.1 or earlier, where the hosted-payment return handler is reachable from the internet. Sites that do not use this gateway, or that run a later version the sources do not name, can skip it. The sources do not say whether a patched version exists.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-19T06:17:17+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-106014","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106014","severity":null,"published_at":"2026-10-19T06:17:17+00:00","modified_at":"2026-10-19T21:04:50+00:00","first_seen_at":"2026-10-23T21:57:17+00:00","fetched_at":"2026-10-23T22:28:56+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}