---
id: "CVE-2026-123463"
page: "https://infrastack.ai/live/CVE-2026-123463"
kind: "vulnerability"
aliases: ["CVE-2026-123463"]
title: "Checkout Files Upload for WooCommerce: stored XSS through version 2.4.0"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["other", "self-hosted", "woocommerce", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-09T10:17:07+00:00"
first_seen_at: "2026-11-09T10:25:49+00:00"
updated_at: "2026-11-09T10:26:14+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-123463", "first_seen_at": "2026-11-09T10:25:49+00:00"}]
exploit_sources: []
---

# Checkout Files Upload for WooCommerce: stored XSS through version 2.4.0

Link for people: https://infrastack.ai/live/CVE-2026-123463 (this .md is for agents)

Checkout Files Upload for WooCommerce, a WordPress plugin by WP Wham, fails to neutralize input and allows stored cross-site scripting. An attacker can plant script that runs in the browsers of people who view the affected pages.

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

## How to check

- Check whether the plugin `checkout-files-upload-woocommerce` is installed and its version in the WordPress admin under Plugins.

## Fix

- Checkout Files Upload for WooCommerce: unknown (sources do not name a fixed version; the affected range runs through `2.4.0`)

## Timeline

- 2026-11-09T10:25:49+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-123463

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Wham Checkout Files Upload for WooCommerce checkout-files-upload-woocommerce allows Stored XSS.This issue affects Checkout Files Upload for WooCommerce: from n/a through 2.4.0.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_