CVE-2026-93388Printcart Store - Web to Print Product Designer for WooCommerce (PCDesigner) <= 2.9.1 - Unauthenticated Arbitrary File Upload to Remote Code Execution via nbdesigner_copy_image_from_url
Updated under an hour ago ()
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It affects Printcart Store – Web to Print Product Designer for WooCommerce. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.85%, higher than 58% of scored CVEs.
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The Printcart Store (PCDesigner / NB Designer) plugin for WooCommerce is vulnerable to unauthenticated arbitrary file upload leading to remote code execution in all versions up to, and including, 2.9.1 The nbdesigner_copy_image_from_url AJAX action is registered for logged-out callers (wp_ajax_nopriv_), and its Google Drive branch rebuilds the destination filename from the raw, attacker-supplied gapi[name] parameter — bypassing the jpg/jpeg/png/gif allow-list applied on the other branch — and writes the fetched bytes to a web-accessible directory (wp-content/uploads/nbdesigner/temp/). This makes it possible for unauthenticated attackers to write a .php file to a web-served, PHP-executing location and, by supplying their own Google Drive file and OAuth token as the content source, execute arbitrary code on the server. The required save-design nonce is handed to anonymous callers by the nbd_check_use_logged_in endpoint, so it presents no barrier.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-434
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.85% (percentile 58)
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
printcart Printcart Store – Web to Print Product Designer for WooCommerce printcart:store_web_to_print_product_designer_for_woocommerce (from the name) | through 2.9.1 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/788461ba-2cf2-49d2-bbaa-a02de15f33ae?source=cve
- https://plugins.trac.wordpress.org/changeset?reponame=&new=3716244%40printcart-integration%2Ftags%2F2.9.2&old=3715643%40printcart-integration%2Ftags%2F2.9.1
- https://plugins.trac.wordpress.org/changeset/3716244/printcart-integration/trunk/includes/class.nbdesigner.php
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.