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CVE-2026-103358— WordPress Email Template Customizer for WooCommerce plugin <= 1.3.4 - Content Injection vulnerability

Quick assessment

Affected
VillaTheme Email Template Customizer for WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 WooCommerce 的 Email Template Customizer for WooCommerce（插件标识：email-template-customizer-for-woo）中存在一个代码注入漏洞，具体表现为“代码生成控制不当”（Improper Control of Generation of Code）。该漏洞允许攻击者实施代码注入。此问题影响 Email Template Customizer for WooCommerce 的所有版本，从未知版本（n/a）至 1.3.4 版。

CVSS 7.5 · High EPSS 0.32% · P24

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
VillaTheme Email Template Customizer for WooCommerce ≤ 1.3.4 affected
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I. Basic Information for CVE-2026-103358

Vulnerability Information
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Vulnerability Title
WordPress Email Template Customizer for WooCommerce plugin <= 1.3.4 - Content Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
VillaTheme Email Template Customizer for WooCommerce 0 ~ 1.3.4 -

II. Public POCs for CVE-2026-103358

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-103358

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Other References for CVE-2026-103358 (1)

IV. Related Vulnerabilities

Same product: Email Template Customizer for WooCommerce
Same vendor: VillaTheme
Same weakness: CWE-94

V. Comments for CVE-2026-103358

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