VR SMTP Mailer Security & Risk Analysis

wordpress.org/plugins/vr-smtp-mailer

SMTP or Microsoft Graph OAuth mail for WordPress. Full wp_mail replacement with logging, queue, and SMTP/email test tools.

0 active installs v1.0.10 PHP + WP 6.2+ Updated Apr 11, 2026
microsoft-365oauthoffice365outlook-smtpwordpress-smtp
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is VR SMTP Mailer Safe to Use in 2026?

Generally Safe

Score 100/100

VR SMTP Mailer has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 1mo ago
Risk Assessment

Based on the static analysis, "vr-smtp-mailer" v1.0.10 exhibits a strong security posture. The absence of unprotected AJAX handlers, REST API routes, shortcodes, and a small attack surface are positive indicators. The code demonstrates good development practices by utilizing prepared statements for all SQL queries and properly escaping all output, mitigating common injection and Cross-Site Scripting (XSS) vulnerabilities.

The taint analysis also reveals no critical or high-severity flows with unsanitized paths, further reinforcing the lack of immediate, critical code-level risks. The plugin has no recorded vulnerabilities or CVEs, which suggests a history of responsible development or minimal past scrutiny. The presence of nonce and capability checks, along with file operations and external HTTP requests, are common and not inherently problematic given the current analysis.

Overall, this plugin appears to be developed with security in mind. The strengths lie in its clean code practices regarding SQL and output handling, and a minimal attack surface. The main potential weakness, though not currently exploited or evident in the data, would be if any of the file operations or external HTTP requests were to introduce vulnerabilities in the future, or if the limited entry points were to be overlooked in a more comprehensive audit. However, based on the provided data, the current risk is low.

Vulnerabilities
None known

VR SMTP Mailer Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Version History

VR SMTP Mailer Release Timeline

No version history available.
Code Analysis
Analyzed Apr 16, 2026

VR SMTP Mailer Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
32 prepared
Unescaped Output
0
476 escaped
Nonce Checks
7
Capability Checks
9
File Operations
1
External Requests
3
Bundled Libraries
0

SQL Query Safety

100% prepared32 total queries

Output Escaping

100% escaped476 total outputs
Data Flows · Security
All sanitized

Data Flow Analysis

2 flows
render (admin/TestEmailPage.php:58)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

VR SMTP Mailer Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 8
actionadmin_menuincludes/Plugin.php:56
actionadmin_enqueue_scriptsincludes/Plugin.php:57
filterpre_wp_mailincludes/Plugin.php:58
actionvr_smtp_mailer_process_queueincludes/Plugin.php:59
actiontemplate_redirectincludes/Plugin.php:60
filtercron_schedulesincludes/Plugin.php:62
actionplugins_loadedvr-smtp-mailer.php:44
actionplugins_loadedvr-smtp-mailer.php:52

Scheduled Events 1

vr_smtp_mailer_process_queue
Maintenance & Trust

VR SMTP Mailer Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4
Last updatedApr 11, 2026
PHP min version
Downloads45

Community Trust

Rating0/100
Number of ratings0
Active installs0
Developer Profile

VR SMTP Mailer Developer Profile

Vinod Ram

2 plugins · 10 total installs

94
trust score
Avg Security Score
100/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect VR SMTP Mailer

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/vr-smtp-mailer/assets/admin.js
Script Paths
/wp-content/plugins/vr-smtp-mailer/assets/admin.js
Version Parameters
vr-smtp-mailer/assets/admin.js?ver=vr-smtp-mailer-admin-inlinevr-smtp-mailer-admin-inline?ver=

HTML / DOM Fingerprints

CSS Classes
vr-smtp-mailer-code-sample
Data Attributes
data-nonce="vr_smtp_mailer_admin"
JS Globals
vrSmtpMailer
FAQ

Frequently Asked Questions about VR SMTP Mailer