---
id: CVE-2026-116866
title: >-
  WordPress Extra Fees Plugin for WooCommerce plugin <= 4.4.0 - PHP Object
  Injection vulnerability
summary: >-
  Contributor PHP Object Injection in Extra Fees Plugin for WooCommerce <= 4.4.0
  versions.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: Dotstore
product: woo-conditional-product-fees-for-checkout
affected:
  - woo-conditional-product-fees-for-checkout >= n/a <= 4.4.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-30T18:36:17.838768Z'
published: '2026-10-29'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T18:50:00.815Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116866'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/woo-conditional-product-fees-for-checkout/vulnerability/wordpress-extra-fees-plugin-for-woocommerce-plugin-4-4-0-php-object-injection-vulnerability?_s_id=cve
tags:
  - cve.org
epss: 0.00288
epssPercentile: 0.2142
ingestedAt: '2026-11-05T16:24:31.372Z'
---

## Overview

Contributor PHP Object Injection in Extra Fees Plugin for WooCommerce <= 4.4.0 versions.

## Affected

- `woo-conditional-product-fees-for-checkout >= n/a <= 4.4.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.