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TI-2026-83483 Aliases CVE-2026-107750GHSA-wr38-p24w-wp68

Stored XSS in PDF Invoices & Packing Slips for WooCommerce

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The PDF Invoices & Packing Slips for WooCommerce plugin for WordPress is affected in all versions up to and including 5.16.4. Billing first name, last name, company and customer note fields are insufficiently sanitized and escaped, and entity-encoded payloads bypass the wp_kses() allow-list added in 5.16.2 (CWE-79). An unauthenticated attacker can store script in these fields at guest checkout, which runs in the browser of any user who accesses the injected page.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

The PDF Invoices & Packing Slips for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'billing_address.first_name / last_name / company, customer_note' parameter in all versions up to, and including, 5.16.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is an incomplete fix for CVE-2026-92244: the wp_kses() allow-list introduced in 5.16.2 correctly blocks raw-tag payloads but is bypassed by entity-encoded payloads (e.g., <img onerror=…>) that contain no literal angle-bracket characters and are therefore passed through unmodified before the trailing decode rematerializes them.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00259 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
wpovernightPDF Invoices & Packing Slips for WooCommerceup to 5.16.4—No fix listedCNA
  • PDF Invoices & Packing Slips for WooCommerce Vendorwpovernight Affected up to 5.16.4 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for PDF Invoices & Packing Slips for WooCommerce.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

  1. 2026-10-31 Threatist record created from CVE-2026-107750
  2. 2026-10-31 Alias added: GHSA-wr38-p24w-wp68
  3. 2026-11-01 Priority changed: MEDIUM → LOW
  4. 2026-11-01 CISA SSVC decision points changed

References

Other 7

  • TI-2024-02851 PDF Invoices & Packing Slips for WooCommerce <= 3.8.0 - Unauthenticated Stored Cross-Site Scripting CVSS 3.1HIGH 7.2
  • TI-2026-28446 WordPress WooCommerce PDF Invoices & Packing Slips plugin < 5.9.0 - PHP Object Injection vulnerability CVSS 3.1HIGH 7.2
  • TI-2025-18116 Unrestricted Access to PDF Documents via URL Manipulation in woocommerce-pdf-invoices-packing-slips CVSS 4.0MEDIUM 6.3
  • TI-2024-14748 WordPress WooCommerce PDF Invoices & Packing Slips Plugin <= 3.7.5 is vulnerable to SQL Injection CVSS 3.1HIGH 7.6
  • TI-2024-09211 WooCommerce Order Proposal <= 2.0.5 - Authenticated (Shop Manager+) Privilege Escalation via Order Proposal CVSS 3.1HIGH 7.2
  • TI-2024-02853 PDF Invoices & Packing Slips for WooCommerce <= 3.8.0 - Unauthenticated Server-Side Request Forgery CVSS 3.1HIGH 7.2
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences