6.5
MEDIUM CVSS 3.1
CVE-2026-11496
Woo PDF Invoice Builder <= 2.0.8 - Authenticated (Subscriber+) Insecure Direct Object Reference to Sensitive Order Information Disclosure
Description

The Woo PDF Invoice Builder plugin (also distributed as "PDF Builder for WooCommerce") for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.8. This is due to the InspectOrder() AJAX handler (woocommerce-pdf-invoice-ajax.php:513), registered on wp_ajax_rednao_wcpdfinv_inspect_order, performing no capability check and no nonce verification before loading an arbitrary order by the attacker-supplied 'OrderNumber' POST field and serializing its full WC_Order::get_data() and meta to the response. This makes it possible for authenticated attackers with Subscriber-level access and above to read every WooCommerce order on the site — including billing/shipping address, email, phone number, payment method, gateway transaction ID, and order totals — by iterating order IDs.

INFO

Published Date :

Sept. 11, 2026, 4:17 a.m.

Last Modified :

Sept. 11, 2026, 4:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-11496 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Update the plugin to a version that implements proper access controls for order data.
  • Update the Woo PDF Invoice Builder plugin.
  • Verify order data access is restricted.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-11496 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-11496 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-11496 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-11496 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 11, 2026

    Action Type Old Value New Value
    Added Description The Woo PDF Invoice Builder plugin (also distributed as "PDF Builder for WooCommerce") for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.8. This is due to the InspectOrder() AJAX handler (woocommerce-pdf-invoice-ajax.php:513), registered on wp_ajax_rednao_wcpdfinv_inspect_order, performing no capability check and no nonce verification before loading an arbitrary order by the attacker-supplied 'OrderNumber' POST field and serializing its full WC_Order::get_data() and meta to the response. This makes it possible for authenticated attackers with Subscriber-level access and above to read every WooCommerce order on the site — including billing/shipping address, email, phone number, payment method, gateway transaction ID, and order totals — by iterating order IDs.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-862
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/11xxx/CVE-2026-11496.json">CVE-2026-11496</a>
    Added Reference https://plugins.trac.wordpress.org/browser/woo-pdf-invoice-builder/tags/2.0.8/utilities/WCInspector.php#L23
    Added Reference https://plugins.trac.wordpress.org/browser/woo-pdf-invoice-builder/tags/2.0.8/woocommerce-pdf-invoice-ajax.php#L46
    Added Reference https://plugins.trac.wordpress.org/browser/woo-pdf-invoice-builder/tags/2.0.8/woocommerce-pdf-invoice-ajax.php#L513
    Added Reference https://plugins.trac.wordpress.org/browser/woo-pdf-invoice-builder/trunk/woocommerce-pdf-invoice-ajax.php#L513
    Added Reference https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3567364%40woo-pdf-invoice-builder%2Ftrunk%2Fwoocommerce-pdf-invoice-ajax.php&old=3544283%40woo-pdf-invoice-builder%2Ftrunk%2Fwoocommerce-pdf-invoice-ajax.php&sfp_email=&sfph_mail=
    Added Reference https://wordpress.org/plugins/woo-pdf-invoice-builder/
    Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/5e3e7c1a-a9c0-4e92-868c-5785d891cf8f?source=cve
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.