---
id: CVE-2026-85350
title: >-
  The UpsellWP  WordPress plugin before 2.2.10 does not check that products
  added to the cart through a Frequently Bought Together campaign belong to that
  campaign, allowing unauthenticated users to buy arbitrary products at the
  campaign's…
summary: >-
  The UpsellWP  WordPress plugin before 2.2.10 does not check that products
  added to the cart through a Frequently Bought Together campaign belong to that
  campaign, allowing unauthenticated users to buy arbitrary products at the
  campaign's…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-287
product: UpsellWP
affected:
  - UpsellWP >= 1.4.4 < 2.2.10
published: '2026-09-18'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:08:32.830'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85350'
references:
  - url: 'https://wpscan.com/vulnerability/5068ff54-8632-42bd-b50a-4ecb6ac5853f/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00304
epssPercentile: 0.2052
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-18T11:04:15.333667Z'
ingestedAt: '2026-09-18T06:36:37.983Z'
---

## Overview

The UpsellWP  WordPress plugin before 2.2.10 does not check that products added to the cart through a Frequently Bought Together campaign belong to that campaign, allowing unauthenticated users to buy arbitrary products at the campaign's discounted price.

## Remediation

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