CVE-2026-81534CWE-74

CVE-2026-81534

High · published October 15, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
39.9
In the wild
Unconfirmed
What it is

The Email Customizer for WooCommerce (Pro) plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 3.9.5. This is due to insufficient authorization and input sanitization in the send_test_mail() function, which allows user-controlled PHP code to be written to executable files in the uploads directory. This makes it possible for authenticated attackers, with subscriber-level access and above, to execute arbitrary PHP code on the server, leading to full site compromise.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00473 · 39.9th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2026-10-15T11:18Z
References (2)
https://www.themehigh.com/changelog/?view=22 · [email protected]https://www.wordfence.com/threat-intel/vulnerabilities/id/e8d4cd3d-68ad-45ec-b4b3-e705da4e6628?source=cve · [email protected]
EPSS history
Timeline
  • 16 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 15 OCT 06:41Z
    Email Customizer for WooCommerce (Pro) <= 3.9.5 - Authenticated (Subscriber+) Remote Code Execution via 'template' Parameter
    cvelistv5
  • 15 OCT 06:41Z
    Email Customizer for WooCommerce (Pro) <= 3.9.5 - Authenticated (Subscriber+) Remote Code Execution via 'template' Parameter
    cvelistv5