{"id":"CVE-2026-101165","kind":"vulnerability","aliases":["CVE-2026-101165"],"related":[],"title":"Mollie Payments for WooCommerce: unauthenticated users can lower order totals before payment","description":"The Mollie Payments for WooCommerce WordPress plugin before 8.2.0 does not verify an order's payment state or the requested payment gateway before removing a configured payment-surcharge fee, allowing unauthenticated users to reduce an order's total before completing payment.","summary":"The Mollie Payments for WooCommerce WordPress plugin, before version 8.2.0, does not check an order's payment state or the requested gateway before removing a payment surcharge fee. An unauthenticated visitor can therefore reduce an order's total before paying.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["mollie","package","payments","woocommerce","wordpress"],"not_affected_if":["no-payment-surcharge","version-8.2.0-or-later"],"how_to_check":"- Check the installed version of the Mollie Payments for WooCommerce plugin in the WordPress admin under Plugins; versions before `8.2.0` are affected\n- Confirm whether the store uses a payment-surcharge fee on Mollie gateways, since the flaw concerns removing that fee","fix":"- Mollie Payments for WooCommerce: move to `8.2.0` or later","status":"open","published_at":"2026-11-04T06:16:56+00:00","first_seen_at":"2026-11-04T06:25:17+00:00","triaged_at":"2026-11-04T06:26:40+00:00","updated_at":"2026-11-04T06:26:40+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-04T06:26:40Z","model":"claude-haiku-5-5","output":{"fix":"- Mollie Payments for WooCommerce: move to `8.2.0` or later","reach":"internet","title":"Mollie Payments for WooCommerce: unauthenticated users can lower order totals before payment","impact":"medium","summary":"The Mollie Payments for WooCommerce WordPress plugin, before version 8.2.0, does not check an order's payment state or the requested gateway before removing a payment surcharge fee. An unauthenticated visitor can therefore reduce an order's total before paying.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","woocommerce","mollie","payments"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Attackers pay less than the order total on the store","analyst_note":"","how_to_check":"- Check the installed version of the Mollie Payments for WooCommerce plugin in the WordPress admin under Plugins; versions before `8.2.0` are affected\n- Confirm whether the store uses a payment-surcharge fee on Mollie gateways, since the flaw concerns removing that fee","plain_action":"","needs_analyst":false,"not_affected_if":["version-8.2.0-or-later","no-payment-surcharge"],"who_is_affected":"WooCommerce stores running the Mollie Payments plugin before 8.2.0 that configure a payment-surcharge fee are exposed, because the plugin removes that fee without verifying the order. Stores without a surcharge configured or running a fixed version can skip it. The sources do not describe the exact request path.","user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"medium"},"cost_usd":0.000699,"input_tokens":4112,"output_tokens":575,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-101165':15A,18A '-2026':14A,17A '8.2.0':33B,72C 'allow':94C 'check':36B 'complet':104C 'configur':89C 'cve':13A,16A 'fee':51B,93C 'gateway':45B,85C 'lower':8A 'molli':1A,19B,25B,65C 'order':9A,38B,59B,77C,100C 'packag':20B 'pay':63B 'payment':2A,12A,21B,26B,40B,49B,66C,79C,84C,91C,105C 'payment-surcharg':90C 'plugin':30B,70C 'reduc':57B,98C 'remov':47B,87C 'request':44B,83C 'state':41B,80C 'surcharg':50B,92C 'therefor':56B 'total':10A,61B,102C 'unauthent':5A,53B,95C 'user':6A,96C 'verifi':75C 'version':32B 'visitor':54B 'woocommerc':4A,22B,28B,68C 'wordpress':23B,29B,69C","nicknames":[],"mitigations":[],"who_affected":"WooCommerce stores running the Mollie Payments plugin before 8.2.0 that configure a payment-surcharge fee are exposed, because the plugin removes that fee without verifying the order. Stores without a surcharge configured or running a fixed version can skip it. The sources do not describe the exact request path.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","mollie","package","payments","woocommerce","wordpress"],"campaign_type":null,"first_public_at":"2026-11-04T06:16:56+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101165","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101165","severity":null,"published_at":"2026-11-04T06:16:56+00:00","modified_at":"2026-11-04T06:16:56+00:00","first_seen_at":"2026-11-04T06:25:17+00:00","fetched_at":"2026-11-04T06:25:17+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"}