High severity · published Oct 14, 2026
CVE-2026-103358
WordPress Email Template Customizer for WooCommerce plugin <= 1.3.4 - Content Injection vulnerability
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
Improper Control of Generation of Code ('Code Injection') vulnerability in VillaTheme Email Template Customizer for WooCommerce email-template-customizer-for-woo allows Code Injection.This issue affects Email Template Customizer for WooCommerce: from n/a through 1.3.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ET
Email Template Customizer for WooCommerce · VillaTheme
through 1.3.4 · source: vendor
Affected product
ET
Email Template Customizer for WooCommerce
VillaTheme
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103358
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103358
vdb-entry
https://patchstack.com/database/wordpress/plugin/email-template-customizer-for-woo/vulnerability/wordpress-email-template-customizer-for-woocommerce-plugin-1-3-4-content-injection-vulnerability?_s_id=cve
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