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TI-2026-28446 Aliases CVE-2026-39472GHSA-jhg8-f96w-x397

WordPress WooCommerce PDF Invoices & Packing Slips plugin < 5.9.0 - PHP Object Injection vulnerability

Priority LOW 34CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

Shop manager PHP Object Injection in WooCommerce PDF Invoices & Packing Slips < 5.9.0 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00446 39th percentileScored 2026-11-07
Fix Fixed WooCommerce PDF Invoices & Packing Slips (WP Overnight): 5.9.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
wpovernightWooCommerce PDF Invoices & Packing Slipsbefore 5.9.05.9.0Patch availableCNA
  • WooCommerce PDF Invoices & Packing Slips Vendorwpovernight Affected before 5.9.0 Fixed in 5.9.0 Patch available CNA

Remediation

  • Fix · CNA WooCommerce PDF Invoices & Packing Slips (WP Overnight) Fixed in 5.9.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39472
  2. 2026-10-03 Alias added: GHSA-jhg8-f96w-x397

References

Other 1

  • TI-2024-02851 PDF Invoices & Packing Slips for WooCommerce <= 3.8.0 - Unauthenticated Stored Cross-Site Scripting 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
  • TI-2026-83483 Stored XSS in PDF Invoices & Packing Slips for WooCommerce 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