---
id: "CVE-2026-116409"
kind: "vulnerability"
aliases: ["CVE-2026-116409"]
title: "WooCommerce upsell plugin: reflected XSS lets attackers run scripts in shoppers' browsers"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "woocommerce", "wordpress", "wp-swings"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-10-29T11:17:31+00:00"
first_seen_at: "2026-10-29T11:24:28+00:00"
updated_at: "2026-10-29T11:25:30+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-116409", "first_seen_at": "2026-10-29T11:24:28+00:00"}]
---

# WooCommerce upsell plugin: reflected XSS lets attackers run scripts in shoppers' browsers

Upsell Order Bump Offer for WooCommerce, a WordPress plugin from WP Swings, has a reflected cross-site scripting flaw in versions up to and including 3.1.6. An attacker can craft a link that runs script in the browser of a user who opens it, such as a store admin.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed plugin version under WordPress Plugins, or in `wp-content/plugins/upsell-order-bump-offer-for-woocommerce/`.
- Look for the plugin slug `upsell-order-bump-offer-for-woocommerce` in your plugin list.

## Fix

- Move to a version later than `3.1.6` (fixed version not stated in the sources).

## Timeline

- 2026-10-29T11:24:28+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-116409

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Swings Upsell Order Bump Offer for WooCommerce upsell-order-bump-offer-for-woocommerce allows Reflected XSS.This issue affects Upsell Order Bump Offer for WooCommerce: from n/a through 3.1.6.

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