Senpai Software – Two-factor authentication (2FA) with a key file Security & Risk Analysis

wordpress.org/plugins/senpai-software-2fa

Get strong protection against brute force attacks with unique two-factor authentication.

10 active installs v2.0.1 PHP 5.6+ WP 5.0+ Updated Nov 8, 2023
2fabrute-forcedisable-xml-rpclimit-login-attemptstwo-factor-authentication
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Senpai Software – Two-factor authentication (2FA) with a key file Safe to Use in 2026?

Generally Safe

Score 85/100

Senpai Software – Two-factor authentication (2FA) with a key file has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 2yr ago
Risk Assessment

The "senpai-software-2fa" plugin v2.0.1 exhibits a strong security posture based on the provided static analysis. The complete absence of AJAX handlers, REST API routes, shortcodes, and cron events significantly limits the potential attack surface. Furthermore, the code demonstrates good security practices with all SQL queries utilizing prepared statements and a near-perfect output escaping rate. The presence of a capability check is also a positive sign for access control.

Despite the generally positive findings, there is one taint flow identified with an unsanitized path. While this did not result in a critical or high-severity issue according to the analysis, it represents a potential avenue for a vulnerability if not properly handled. The plugin's vulnerability history is also clean, with no recorded CVEs, which suggests a history of secure development or a lack of public scrutiny. However, the absence of any historical vulnerabilities doesn't entirely preclude future issues.

In conclusion, "senpai-software-2fa" v2.0.1 appears to be a secure plugin with a minimal attack surface and good coding practices. The single identified taint flow with an unsanitized path is the primary area of concern, though its current impact is assessed as low. The lack of historical vulnerabilities is a positive indicator, but ongoing vigilance and code reviews are always recommended.

Key Concerns

  • Taint flow with unsanitized path
Vulnerabilities
None known

Senpai Software – Two-factor authentication (2FA) with a key file Security Vulnerabilities

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

Senpai Software – Two-factor authentication (2FA) with a key file Release Timeline

v2.0.1Current
v2.0.0
v1.0.2
v1.0.1
v1.0.0
Code Analysis
Analyzed Apr 16, 2026

Senpai Software – Two-factor authentication (2FA) with a key file Code Analysis

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

SQL Query Safety

100% prepared5 total queries

Output Escaping

99% escaped68 total outputs
Data Flows · Security
1 unsanitized

Data Flow Analysis

2 flows1 with unsanitized paths
set (admin/senpai-software-2fa-admin.php:133)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Senpai Software – Two-factor authentication (2FA) with a key file Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 14
actionadmin_enqueue_scriptsadmin/senpai-software-2fa-admin.php:17
actionshow_user_profileadmin/senpai-software-2fa-admin.php:82
actionedit_user_profileadmin/senpai-software-2fa-admin.php:83
actionpersonal_options_updateadmin/senpai-software-2fa-admin.php:113
actionedit_user_profile_updateadmin/senpai-software-2fa-admin.php:114
actionadmin_menuadmin/senpai-software-2fa-admin.php:131
actionlogin_enqueue_scriptssenpai-software-2fa-core.php:17
actionlogin_formsenpai-software-2fa-core.php:38
actionwp_authenticate_usersenpai-software-2fa-core.php:69
filterxmlrpc_enabledsenpai-software-2fa-core.php:75
filterlogin_errorssenpai-software-2fa-core.php:86
filterinitsenpai-software-2fa-core.php:127
actionwp_login_failedsenpai-software-2fa-core.php:176
actionplugins_loadedsenpai-software-2fa.php:94
Maintenance & Trust

Senpai Software – Two-factor authentication (2FA) with a key file Maintenance & Trust

Maintenance Signals

WordPress version tested6.4.8
Last updatedNov 8, 2023
PHP min version5.6
Downloads4K

Community Trust

Rating100/100
Number of ratings3
Active installs10
Developer Profile

Senpai Software – Two-factor authentication (2FA) with a key file Developer Profile

Serhii Kolomiitsev

1 plugin · 10 total installs

84
trust score
Avg Security Score
85/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Senpai Software – Two-factor authentication (2FA) with a key file

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/senpai-software-2fa/css/senpai-software-2fa.css/wp-content/plugins/senpai-software-2fa/js/senpai-software-2fa.js
Script Paths
/wp-content/plugins/senpai-software-2fa/js/senpai-software-2fa.js
Version Parameters
senpai-software-2fa/css/senpai-software-2fa.css?ver=senpai-software-2fa/js/senpai-software-2fa.js?ver=

HTML / DOM Fingerprints

CSS Classes
senpai_software_2fa_blocksenpai_software_2fa_namesenpai_software_2fa_progresssenpai_software_2fa_error
Data Attributes
senpai_software_2fa_statussenpai_software_2fa_filesenpai_software_2fa_hash
JS Globals
senpai_software_2fa_upload
FAQ

Frequently Asked Questions about Senpai Software – Two-factor authentication (2FA) with a key file