{"id":"CVE-2026-18143","aliases":["EUVD-2026-87542","GHSA-f78j-xwc8-gq3q"],"status":"published","title":"Request a Quote for WooCommerce \u003c= 2.9.2 - Unauthenticated Arbitrary File Upload via AJAX Popup Handler","description":"The Request a Quote for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.9.2 via the `afrfq_submit_quote_via_popup()` function. This is due to missing file extension and MIME type validation in the popup upload handler, which uses the raw attacker-supplied filename directly as the destination for `move_uploaded_file()`. This makes it possible for unauthenticated attackers to upload executable files, such as PHP files, to a web-accessible temporary RFQ upload directory when a public quote rule with the multi-page popup flow is enabled.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0214,"percentile":0.82277,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-434"],"published":"2026-09-26T06:39:44Z","modified":"2026-09-28T15:16:04Z","exploits":[{"source":"nuclei","id":"CVE-2026-18143","title":"Request Quote for WooCommerce \u003c= 2.9.2 - Unauthenticated Arbitrary File Upload","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-18143.yaml"},{"source":"pocgithub","id":"Wayang1337/CVE-2026-18143","title":"Wayang1337/CVE-2026-18143","date":"2026-09-28","url":"https://github.com/Wayang1337/CVE-2026-18143"},{"source":"pocgithub","id":"murrez/CVE-2026-18143","title":"murrez/CVE-2026-18143","date":"2026-09-26","url":"https://github.com/murrez/CVE-2026-18143"}],"products":[{"vendor":"addify","product":"request a quote for woocommerce"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3417ec27-6abf-45c7-945f-6ef456ba1187?source=cve"},{"url":"https://woocommerce.com/products/request-a-quote-plugin-for-woocommerce/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18143"},{"url":"https://woocommerce.com/products/request-a-quote-plugin-for-woocommerce"},{"url":"https://github.com/advisories/GHSA-f78j-xwc8-gq3q"}],"sources":{"cve":[{"id":"CVE-2026-18143","title":"Request a Quote for WooCommerce \u003c= 2.9.2 - Unauthenticated Arbitrary File Upload via AJAX Popup Handler","description":"The Request a Quote for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.9.2 via the `afrfq_submit_quote_via_popup()` function. This is due to missing file extension and MIME type validation in the popup upload handler, which uses the raw attacker-supplied filename directly as the destination for `move_uploaded_file()`. This makes it possible for unauthenticated attackers to upload executable files, such as PHP files, to a web-accessible temporary RFQ upload directory when a public quote rule with the multi-page popup flow is enabled.","status":"published","published":"2026-09-26T06:39:44.226Z","modified":"2026-09-26T22:51:17.345Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:20:12.260247Z"}],"euvd":[{"id":"EUVD-2026-87542","description":"The Request a Quote for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.9.2 via the `afrfq_submit_quote_via_popup()` function. This is due to missing file extension and MIME type validation in the popup upload handler, which uses the raw attacker-supplied filename directly as the destination for `move_uploaded_file()`. This makes it possible for unauthenticated attackers to upload executable files, such as PHP files, to a web-accessible temporary RFQ upload directory when a public quote rule with the multi-page popup flow is enabled.","status":"published","published":"2026-09-26T06:39:44Z","modified":"2026-09-26T22:51:17Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:27:54.286776Z"}],"ghsa":[{"id":"GHSA-f78j-xwc8-gq3q","title":"The Request a Quote for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload...","description":"The Request a Quote for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.9.2 via the `afrfq_submit_quote_via_popup()` function. This is due to missing file extension and MIME type validation in the popup upload handler, which uses the raw attacker-supplied filename directly as the destination for `move_uploaded_file()`. This makes it possible for unauthenticated attackers to upload executable files, such as PHP files, to a web-accessible temporary RFQ upload directory when a public quote rule with the multi-page popup flow is enabled.","status":"published","published":"2026-09-26T09:30:19Z","modified":"2026-09-26T09:30:26Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:12:29.177042Z"}],"nvd":[{"id":"CVE-2026-18143","description":"The Request a Quote for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.9.2 via the `afrfq_submit_quote_via_popup()` function. This is due to missing file extension and MIME type validation in the popup upload handler, which uses the raw attacker-supplied filename directly as the destination for `move_uploaded_file()`. This makes it possible for unauthenticated attackers to upload executable files, such as PHP files, to a web-accessible temporary RFQ upload directory when a public quote rule with the multi-page popup flow is enabled.","status":"published","published":"2026-09-26T07:17:02.017Z","modified":"2026-09-28T15:16:04.793Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:12:51.721923Z"}]}}