{"id":"CVE-2026-15213","aliases":["EUVD-2026-57172","GHSA-6p56-v4j4-jm3x"],"status":"published","title":"Welcart e-Commerce \u003c 2.11.33 - Unauthenticated Payment Bypass via Forged Settlement Callback","description":"The Welcart e-Commerce WordPress plugin before 2.11.33 does not verify the authenticity of its convenience-store / bank-transfer settlement callback: an unauthenticated request can flip an order from unpaid to settled purely from an order number and a status flag, with no signature, amount, or origin check. Because these are pay-later methods, an attacker can mark their own unpaid order as settled and obtain fulfilment without paying.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00158,"percentile":0.04932,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2026-08-12T11:23:58Z","modified":"2026-08-26T16:30:52Z","products":[{"vendor":"nanbu","product":"welcart e-commerce"},{"vendor":"unknown","product":"welcart e-commerce"}],"references":[{"url":"https://wpscan.com/vulnerability/4ca89701-8abc-4ecb-9834-a648ab1c4da1/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15213"},{"url":"https://wpscan.com/vulnerability/4ca89701-8abc-4ecb-9834-a648ab1c4da1"},{"url":"https://github.com/advisories/GHSA-6p56-v4j4-jm3x"}],"sources":{"cve":[{"id":"CVE-2026-15213","title":"Welcart e-Commerce \u003c 2.11.33 - Unauthenticated Payment Bypass via Forged Settlement Callback","description":"The Welcart e-Commerce WordPress plugin before 2.11.33 does not verify the authenticity of its convenience-store / bank-transfer settlement callback: an unauthenticated request can flip an order from unpaid to settled purely from an order number and a status flag, with no signature, amount, or origin check. Because these are pay-later methods, an attacker can mark their own unpaid order as settled and obtain fulfilment without paying.","status":"published","published":"2026-08-12T11:23:58.523Z","modified":"2026-08-12T12:15:36.791Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T13:47:39.876248Z"}],"euvd":[{"id":"EUVD-2026-57172","description":"The Welcart e-Commerce WordPress plugin before 2.11.33 does not verify the authenticity of its convenience-store / bank-transfer settlement callback: an unauthenticated request can flip an order from unpaid to settled purely from an order number and a status flag, with no signature, amount, or origin check. Because these are pay-later methods, an attacker can mark their own unpaid order as settled and obtain fulfilment without paying.","status":"published","published":"2026-08-12T11:23:58Z","modified":"2026-08-12T12:15:36Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:59.11112Z"}],"ghsa":[{"id":"GHSA-6p56-v4j4-jm3x","title":"The Welcart e-Commerce WordPress plugin before 2.11.33 does not verify the authenticity of its...","description":"The Welcart e-Commerce WordPress plugin before 2.11.33 does not verify the authenticity of its convenience-store / bank-transfer settlement callback: an unauthenticated request can flip an order from unpaid to settled purely from an order number and a status flag, with no signature, amount, or origin check. Because these are pay-later methods, an attacker can mark their own unpaid order as settled and obtain fulfilment without paying.","status":"published","published":"2026-08-12T12:32:54Z","modified":"2026-08-12T12:33:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:10:22.198935Z"}],"nvd":[{"id":"CVE-2026-15213","description":"The Welcart e-Commerce WordPress plugin before 2.11.33 does not verify the authenticity of its convenience-store / bank-transfer settlement callback: an unauthenticated request can flip an order from unpaid to settled purely from an order number and a status flag, with no signature, amount, or origin check. Because these are pay-later methods, an attacker can mark their own unpaid order as settled and obtain fulfilment without paying.","status":"published","published":"2026-08-12T12:17:46.69Z","modified":"2026-08-26T16:30:52.723Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:12:36.880938Z"}]}}