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CVE-2026-13116

MEDIUM 4.3 CVSS 3.1
Published
July 11, 2026
Last modified
October 30, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Description

The PDF Invoices & Packing Slips for WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.14.0 via the generate_document_shortcode due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to mint publicly accessible, session-free download links for arbitrary third-party orders, exposing customer names, billing and shipping addresses, email addresses, phone numbers, order and invoice numbers, line items, totals, payment details, and customer notes contained in those orders' invoices and packing slips. Exploitation requires the plugin's Document link access type setting to be configured to 'full'; with the default 'logged_in' value, generated URLs are signed with a per-session nonce rather than the order_key, making the shortcode path unexploitable for unauthorized access to third-party orders.

Affected WordPress components

  • PDF Invoices & Packing Slips for WooCommerce Plugin · woocommerce-pdf-invoices-packing-slips
    Confirmed match Active
    Up to and including 5.14.0
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wpovernight PDF Invoices & Packing Slips for WooCommerce — Up to and including 5.14.0

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.14.0/includes/Endpoint.php#L111
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.14.0/includes/Frontend.php#L271
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.14.0/includes/Frontend.php#L284
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.9.2/includes/Endpoint.php#L111
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.9.2/includes/Frontend.php#L271
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.9.2/includes/Frontend.php#L284
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3590578%40woocommerce-pdf-invoices-packing-slips&new=3590578%40woocommerce-pdf-invoices-packing-slips
  • research.cleantalk.org https://research.cleantalk.org/cve-2026-13116/
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/6525195e-5d90-4dd4-b9ee-612a8295c262?source=cve
  • nvd.nist.gov Official NVD record