Mailster Kickbox Security & Risk Analysis

wordpress.org/plugins/mailster-kickbox-io

Verifies your subscribers email addresses with kickbox.com

20 active installs v1.2.0 PHP + WP 6.0+ Updated May 27, 2024
emailkickboxmailsternewsletterverification
92
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Mailster Kickbox Safe to Use in 2026?

Generally Safe

Score 92/100

Mailster Kickbox has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 1yr ago
Risk Assessment

The mailster-kickbox.io plugin version 1.2.0 exhibits a generally strong security posture based on the provided static analysis. The absence of direct SQL queries without prepared statements, the high percentage of properly escaped output, and the lack of dangerous functions are positive indicators. Furthermore, the plugin has no recorded vulnerabilities (CVEs), which suggests a history of secure development and maintenance. However, there are notable areas for improvement. The complete lack of nonce checks and capability checks across all identified entry points (even though the attack surface appears minimal with zero entry points listed) is a significant concern. This omission could potentially leave the plugin vulnerable to CSRF attacks or unauthorized actions if any new entry points are introduced or if the current analysis is incomplete. The single external HTTP request, while not inherently risky, warrants scrutiny to ensure it doesn't expose sensitive information or introduce other attack vectors.

Key Concerns

  • No nonce checks
  • No capability checks
  • External HTTP requests
Vulnerabilities
None known

Mailster Kickbox Security Vulnerabilities

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

Mailster Kickbox Release Timeline

v1.2
v1.2.0Current
v1.1
v1.0
Code Analysis
Analyzed Mar 16, 2026

Mailster Kickbox Code Analysis

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

Output Escaping

86% escaped21 total outputs
Attack Surface

Mailster Kickbox Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 5
actioninitclasses\kickbox.class.php:18
actionadmin_noticesclasses\kickbox.class.php:58
filtermailster_setting_sectionsclasses\kickbox.class.php:64
actionmailster_section_tab_kickboxclasses\kickbox.class.php:65
actionmailster_verify_subscriberclasses\kickbox.class.php:69
Maintenance & Trust

Mailster Kickbox Maintenance & Trust

Maintenance Signals

WordPress version tested6.5.8
Last updatedMay 27, 2024
PHP min version
Downloads4K

Community Trust

Rating0/100
Number of ratings0
Active installs20
Developer Profile

Mailster Kickbox Developer Profile

EverPress

28 plugins · 120K total installs

73
trust score
Avg Security Score
91/100
Avg Patch Time
255 days
View full developer profile
Detection Fingerprints

How We Detect Mailster Kickbox

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/mailster-kickbox-io/assets/css/backend.css/wp-content/plugins/mailster-kickbox-io/assets/js/backend.js
Script Paths
/wp-content/plugins/mailster-kickbox-io/assets/js/backend.js
Version Parameters
mailster-kickbox-io/assets/css/backend.css?ver=mailster-kickbox-io/assets/js/backend.js?ver=

HTML / DOM Fingerprints

CSS Classes
mailster-kickbox-settings-container
Data Attributes
data-kickbox-api-keydata-mailster-kickbox-active
JS Globals
mailster_kickbox_activemailster_kickbox_api_key
FAQ

Frequently Asked Questions about Mailster Kickbox