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CVE-2026-39472— WordPress WooCommerce PDF Invoices & Packing Slips plugin < 5.9.0 - PHP Object Injection vulnerability

Quick assessment

Affected
WP Overnight WooCommerce PDF Invoices & Packing Slips
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PDF Invoices & Packing Slips for WooCommerce是WP Overnight公司的一款WooCommerce PDF发票和装箱单生成插件 WP Overnight PDF Invoices & Packing Slips for WooCommerce 5.9.0之前版本存在反序列化注入漏洞，该漏洞源于存在PHP对象注入，可能导致管理员权限的攻击者进行PHP对象注入攻击。

CVSS 7.2 · High EPSS 0.54% · P43

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
WP Overnight WooCommerce PDF Invoices & Packing Slips n/a< 5.9.0 affected
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I. Basic Information for CVE-2026-39472

Vulnerability Information
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Vulnerability Title
WordPress WooCommerce PDF Invoices & Packing Slips plugin < 5.9.0 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Shop manager PHP Object Injection in WooCommerce PDF Invoices & Packing Slips < 5.9.0 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
WP Overnight PDF Invoices & Packing Slips for WooCommerce 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PDF Invoices & Packing Slips for WooCommerce是WP Overnight公司的一款WooCommerce PDF发票和装箱单生成插件 WP Overnight PDF Invoices & Packing Slips for WooCommerce 5.9.0之前版本存在反序列化注入漏洞，该漏洞源于存在PHP对象注入，可能导致管理员权限的攻击者进行PHP对象注入攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WP Overnight WooCommerce PDF Invoices & Packing Slips n/a ~ 5.9.0 -

II. Public POCs for CVE-2026-39472

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III. Intelligence Information for CVE-2026-39472

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IV. Related Vulnerabilities

Same product: WooCommerce PDF Invoices & Packing Slips
Same vendor: WP Overnight
Same weakness: CWE-502

V. Comments for CVE-2026-39472

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