---
title: "CVE-2026-107750: WooCommerce PDF Invoices & Packing Slips - Stored XSS"
description: "WooCommerce PDF Invoices & Packing Slips plugin <= 5.16.4 contains a stored cross-site scripting caused by insufficient input sanitization and output escaping in billing_address and customer_note parameters, letting unauthenticated attackers inject scripts executed on page access, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-107750/
---

# CVE-2026-107750 WooCommerce PDF Invoices & Packing Slips - Stored XSS

WooCommerce PDF Invoices & Packing Slips plugin <= 5.16.4 contains a stored cross-site scripting caused by insufficient input sanitization and output escaping in billing\_address and customer\_note parameters, letting unauthenticated attackers inject scripts executed on page access, exploit requires no authentication.

CVSS base score 7.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.26% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107750)

## Details

Type

Stored XSS

Impact

Stored XSS

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Published

31 October 2026

Updated

1 November 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update to a version later than 5.16.4 where input sanitization and output escaping are properly fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-107750](https://nvd.nist.gov/vuln/detail/CVE-2026-107750)
- [https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/includes/Documents/BulkDocument.php#L143](https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/includes/Documents/BulkDocument.php#L143)
- [https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/includes/Documents/OrderDocument.php#L1699](https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/includes/Documents/OrderDocument.php#L1699)
- [https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/includes/Documents/OrderDocumentMethods.php#L1217](https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/includes/Documents/OrderDocumentMethods.php#L1217)
- [https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/includes/Documents/OrderDocumentMethods.php#L99](https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/includes/Documents/OrderDocumentMethods.php#L99)
- [https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/wpo-ips-functions.php#L630](https://plugins.trac.wordpress.org/browser/woocommerce-pdf-invoices-packing-slips/tags/5.16.3/wpo-ips-functions.php#L630)
- [https://plugins.trac.wordpress.org/changeset/3756047/woocommerce-pdf-invoices-packing-slips/trunk/includes/Documents/OrderDocument.php](https://plugins.trac.wordpress.org/changeset/3756047/woocommerce-pdf-invoices-packing-slips/trunk/includes/Documents/OrderDocument.php)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/9456cd66-d608-49b8-ad4c-fdc89db4cd29?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/9456cd66-d608-49b8-ad4c-fdc89db4cd29?source=cve)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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