Vulnerability · Published Jun 15, 2026 · Assigned by Patchstack
CVE-2026-39472WordPress WooCommerce PDF Invoices & Packing Slips plugin < 5.9.0 - PHP Object Injection vulnerability
High 7.2
In plain English
A high-severity unsafe deserialization in WooCommerce PDF Invoices & Packing Slips from WP Overnight. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.4%top 61.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Shop manager PHP Object Injection in WooCommerce PDF Invoices & Packing Slips < 5.9.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WP Overnight | WooCommerce PDF Invoices & Packing Slips | n/a – before 5.9.0 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H