---
title: "CVE-2026-81649: Fundin cho WooCommerce - Broken Access Control & Stored XSS"
description: "Fundin cho WooCommerce WordPress plugin through 3.4.0 contains broken access control caused by improper authorization on REST API routes using identical credentials, letting unauthenticated attackers disclose payment credentials, modify payment settings, and perform stored XSS, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-81649/
---

# CVE-2026-81649 Fundin cho WooCommerce - Broken Access Control & Stored XSS

Fundin cho WooCommerce WordPress plugin through 3.4.0 contains broken access control caused by improper authorization on REST API routes using identical credentials, letting unauthenticated attackers disclose payment credentials, modify payment settings, and perform stored XSS, exploit requires no authentication.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.29% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-81649)

## Details

Type

Broken Access Control

Impact

Information Disclosure, Data Tampering, Stored XSS

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Published

11 October 2026

Updated

15 October 2026

Weakness

[CWE-863](https://cwe.mitre.org/data/definitions/863.html)

## Vendor fix

Update to the latest version beyond 3.4.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-81649](https://nvd.nist.gov/vuln/detail/CVE-2026-81649)
- [https://wpscan.com/vulnerability/28cec871-1f17-48c7-b836-db705fc5cffa/](https://wpscan.com/vulnerability/28cec871-1f17-48c7-b836-db705fc5cffa/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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