{"id":"EM-20261111-20N5","url":"https://cyber.eventmonitor.net/incident/EM-20261111-20N5/critical-printcart-store-vulnerability-cve-2026-19803/","type":"cve","title":"Critical Printcart Store Vulnerability (CVE-2026-19803)","subtitle":"CVE-2026-19803","subject":"CVE-2026-19803","status":"Developing","severity":"critical","affected":[],"headline":null,"born":"2026-11-11T14:39:45.000Z","firstSignal":"2026-11-07T04:17:29.233Z","lastSignal":"2026-11-11T14:39:45.000Z","updated":"2026-11-11T15:44:07.320Z","revision":1,"life":[{"status":"Born","at":"2026-11-11T14:39:45.000Z","why":"second independent source: C31 Vulners (new public exploits)"},{"status":"Developing","at":"2026-11-11T14:39:45.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-07T04:17:29.233Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-11T14:39:45.000Z","what":"Born: second source, C31 Vulners (new public exploits). Page EM-20261111-20N5 created."}],"stages":[{"name":"Disclosed","at":"2026-11-07T04:17:29.233Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-07T04:17:29.233Z","detail":"CVSS 9.8 · EPSS 1.0%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-07T04:17:29.233Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":4,"title":"CVE-2026-19803 (CVSS 9.8)","text":"The Printcart Store – Web to Print Product Designer for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.13.2. This is due to the `nbu_crop_image` AJAX handler accepting a user-supplied `url` parameter that `Nbdesigner_IO::convert_url_to_path()` concatenates onto the uploads base directory without normalizing or stripping `../` sequences, and then deriving both the output directory and output file extension via `pathinfo()` from the same attacker-controlled path — with no `stripImage()` call before `writeImage()` is invoked. This…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19803"},{"at":"2026-11-11T14:39:45.000Z","source":"C31","sourceName":"Vulners (new public exploits)","role":"Research & News","severity":3,"title":"Public exploit: Exploit for CVE-2026-19803","text":"# Printcart <= 2.13.2 Unauthenticated File Upload (CVE-2026-19803)\n\nWeaponized upload verification for Printcart Store – Web to Print Product Designer for WooCommerce (plugin `printcart-integration`).\n\n## Vulnerability\n\nThe `nbu_crop_image` AJAX handler accepts a user-supplied `url` parameter that…","url":"https://github.com/Aureels/CVE-2026-19803"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-07T04:17:29.233","score":9.8,"severity":"CRITICAL","desc":"The Printcart Store – Web to Print Product Designer for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.13.2. This is due to the `nbu_crop_image` AJAX handler accepting a user-supplied `url` parameter that…","product":"","seen":1794173949574},"kev":null,"epss":{"epss":0.00962,"pct":0.61894,"at":1794411847320},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}