CVE-2023-4245

WooCommerce PDF Invoice Builder <= 1.2.89 - Missing Authorization to Sensitive Information Exposure

2023-08-18 00:00
Marco Wotschka

Strategic Overview

Status
Patched in 1.2.92
Affected Version
<= 1.2.91
CVSS
4.3Medium
Weakness type
CWE-862 · Missing Authorization
CVE
CVE-2023-4245
View all PDF Builder for WooCommerce. Create invoices,packing slips and more vulnerabilities

At a glance

CVE-2023-4245 is a medium-severity Missing Authorization vulnerability in the PDF Builder for WooCommerce. Create invoices,packing slips and more WordPress plugin, affecting versions <= 1.2.91. It carries a CVSS score of 4.3 (reachable over the network; low attack complexity). The root cause is a missing authorization check on a reachable function. The issue is fixed in version 1.2.92; sites on affected versions should update now. Disclosed August 2023, reported by Marco Wotschka.

Vulnerability Overview

The WooCommerce PDF Invoice Builder for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the GetInvoiceDetail function in versions up to, and including, 1.2.89. This makes it possible for subscribers to view arbitrary invoices provided they can guess the order id and invoice id.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user.

CWE-862: Missing Authorization

Reaching this weakness in PDF Builder for WooCommerce. Create invoices,packing slips and more <= 1.2.91 takes a caller who can reach the endpoint. A missing authorization check means a function is reachable by anyone who can reach the endpoint, because the code never asks whether the caller is allowed to perform the action.

Any user who can reach the endpoint gets to run an action reserved for higher-privileged roles, from reading protected data to changing settings or content. For PDF Builder for WooCommerce. Create invoices,packing slips and more the fix is 1.2.92: builds <= 1.2.91 are affected, anything from 1.2.92 onward is not.

Remediation

Update to version 1.2.92, or a newer patched version

How does WordSec protect against this?

Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. None of that substitutes for the fix: PDF Builder for WooCommerce. Create invoices,packing slips and more 1.2.92 closes this, and updating the plugin is the step that ends it.

  • Login Security
  • Alerts

External References

Related records

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