---
title: "CVE-2026-81534: Email Customizer for WooCommerce (Pro) - Remote Code Execution"
description: "Email Customizer for WooCommerce (Pro) <= 3.9.5 contains a remote code execution caused by insufficient authorization and input sanitization in send_test_mail() function, letting authenticated attackers with subscriber access execute arbitrary PHP code, exploit requires subscriber-level access."
url: https://panop.io/threat-heartbeat/CVE-2026-81534/
---

# CVE-2026-81534 Email Customizer for WooCommerce (Pro) - Remote Code Execution

Email Customizer for WooCommerce (Pro) <= 3.9.5 contains a remote code execution caused by insufficient authorization and input sanitization in send\_test\_mail() function, letting authenticated attackers with subscriber access execute arbitrary PHP code, exploit requires subscriber-level access.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-81534)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

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

Published

15 October 2026

Updated

15 October 2026

Weakness

[CWE-74](https://cwe.mitre.org/data/definitions/74.html)

## Vendor fix

Update to a version later than 3.9.5 or the latest available version.

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-2026-81534](https://nvd.nist.gov/vuln/detail/CVE-2026-81534)
- [https://www.themehigh.com/changelog/?view=22](https://www.themehigh.com/changelog/?view=22)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/e8d4cd3d-68ad-45ec-b4b3-e705da4e6628?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/e8d4cd3d-68ad-45ec-b4b3-e705da4e6628?source=cve)

[← All CVEs](https://panop.io/threat-heartbeat/)

## 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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