{"id":"CVE-2026-16962","aliases":["EUVD-2026-63814","GHSA-qmfm-8v44-p8r3"],"status":"published","title":"Tamara Checkout \u003c= 1.9.9.20 - Unauthenticated Order Status Manipulation","description":"The Tamara Checkout WordPress plugin through 1.9.9.20 does not verify the order key, a nonce, or any capability on its public payment cancel/fail return URLs, changing a WooCommerce order's status based solely on an attacker-supplied numeric order id, so an unauthenticated attacker can cancel or fail arbitrary orders store-wide by enumerating ids (triggering downstream stock-release and notification side-effects).","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":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00304,"percentile":0.23351,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-08-21T06:00:15Z","modified":"2026-10-26T10:10:00Z","products":[{"vendor":"dev@tamara.co","product":"tamara checkout"},{"vendor":"unknown","product":"tamara checkout"}],"references":[{"url":"https://wpscan.com/vulnerability/e026c89e-83cc-452c-bfb9-2630f1ade284/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16962"},{"url":"https://wpscan.com/vulnerability/e026c89e-83cc-452c-bfb9-2630f1ade284"},{"url":"https://github.com/advisories/GHSA-qmfm-8v44-p8r3"}],"sources":{"cve":[{"id":"CVE-2026-16962","title":"Tamara Checkout \u003c= 1.9.9.20 - Unauthenticated Order Status Manipulation","description":"The Tamara Checkout WordPress plugin through 1.9.9.20 does not verify the order key, a nonce, or any capability on its public payment cancel/fail return URLs, changing a WooCommerce order's status based solely on an attacker-supplied numeric order id, so an unauthenticated attacker can cancel or fail arbitrary orders store-wide by enumerating ids (triggering downstream stock-release and notification side-effects).","status":"published","published":"2026-08-21T06:00:15.565Z","modified":"2026-08-21T12:49:42.4Z","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":"adp"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-63814","description":"The Tamara Checkout WordPress plugin through 1.9.9.20 does not verify the order key, a nonce, or any capability on its public payment cancel/fail return URLs, changing a WooCommerce order's status based solely on an attacker-supplied numeric order id, so an unauthenticated attacker can cancel or fail arbitrary orders store-wide by enumerating ids (triggering downstream stock-release and notification side-effects).","status":"published","published":"2026-08-21T06:00:15Z","modified":"2026-08-21T12:49:42Z","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":"2026-11-02T18:01:37.96401Z"}],"ghsa":[{"id":"GHSA-qmfm-8v44-p8r3","title":"The Tamara Checkout WordPress plugin through 1.9.9.20 does not verify the order key, a nonce, or...","description":"The Tamara Checkout WordPress plugin through 1.9.9.20 does not verify the order key, a nonce, or any capability on its public payment cancel/fail return URLs, changing a WooCommerce order's status based solely on an attacker-supplied numeric order id, so an unauthenticated attacker can cancel or fail arbitrary orders store-wide by enumerating ids (triggering downstream stock-release and notification side-effects).","status":"published","published":"2026-08-21T09:32:04Z","modified":"2026-08-21T15:33:14Z","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"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:10:49.498684Z"}],"nvd":[{"id":"CVE-2026-16962","description":"The Tamara Checkout WordPress plugin through 1.9.9.20 does not verify the order key, a nonce, or any capability on its public payment cancel/fail return URLs, changing a WooCommerce order's status based solely on an attacker-supplied numeric order id, so an unauthenticated attacker can cancel or fail arbitrary orders store-wide by enumerating ids (triggering downstream stock-release and notification side-effects).","status":"published","published":"2026-08-21T07:16:25.04Z","modified":"2026-10-26T10:10:00.14Z","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"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:40.665005Z"}]}}