LH Multipart Email Security & Risk Analysis

wordpress.org/plugins/lh-multipart-email

Decreases the chance of your legit emails being marked as spam by providing a text alternative within the one email.

700 active installs v1.12 PHP + WP 5.5+ Updated Jul 30, 2022
emailhtml-emailmultipartspamtext-email
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is LH Multipart Email Safe to Use in 2026?

Generally Safe

Score 85/100

LH Multipart Email has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 3yr ago
Risk Assessment

Based on the provided static analysis and vulnerability history, the lh-multipart-email plugin v1.12 exhibits an exceptionally strong security posture. The plugin demonstrates a complete absence of exploitable attack vectors, with zero AJAX handlers, REST API routes, shortcodes, or cron events found. Furthermore, the code analysis reveals a clean bill of health, with no dangerous functions, no raw SQL queries (all use prepared statements), and all output is properly escaped. There are no file operations or external HTTP requests, and importantly, no detected vulnerabilities in taint analysis flows. This indicates a high level of secure coding practices have been employed by the developers.

The vulnerability history further solidifies this positive assessment, showing zero known CVEs of any severity. The absence of any recorded vulnerabilities, historical or current, suggests a mature and well-maintained codebase that has not presented security challenges. While the lack of explicit nonce and capability checks on potential entry points (if they existed) might be a concern in other contexts, the complete absence of any entry points negates this risk entirely.

In conclusion, the lh-multipart-email plugin v1.12 appears to be highly secure, with no identified weaknesses in its attack surface, code implementation, or historical vulnerability record. The developers have followed best practices diligently, resulting in a plugin that poses minimal to no security risk to a WordPress installation.

Vulnerabilities
None known

LH Multipart Email Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 16, 2026

LH Multipart Email Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
0
0 escaped
Nonce Checks
0
Capability Checks
0
File Operations
0
External Requests
0
Bundled Libraries
0
Attack Surface

LH Multipart Email Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 2
filterwp_maillh-multipart-email.php:126
actionphpmailer_initlh-multipart-email.php:127
Maintenance & Trust

LH Multipart Email Maintenance & Trust

Maintenance Signals

WordPress version tested6.0.11
Last updatedJul 30, 2022
PHP min version
Downloads7K

Community Trust

Rating100/100
Number of ratings5
Active installs700
Developer Profile

LH Multipart Email Developer Profile

shawfactor

77 plugins · 15K total installs

91
trust score
Avg Security Score
87/100
Avg Patch Time
7 days
View full developer profile
Detection Fingerprints

How We Detect LH Multipart Email

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

Asset Paths
/wp-content/plugins/lh-multipart-email/includes/Html2Text.php/wp-content/plugins/lh-multipart-email/includes/Html2TextException.php

HTML / DOM Fingerprints

FAQ

Frequently Asked Questions about LH Multipart Email