
Secure 2FA Security & Risk Analysis
wordpress.org/plugins/secure-tfaSecure 2FA adds an extra layer of security to your WordPress login process by enabling 2FA via several authentication methods.
Is Secure 2FA Safe to Use in 2026?
Generally Safe
Score 100/100Secure 2FA has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.
The "secure-tfa" plugin, at version 1.0.0, exhibits a concerning security posture primarily due to a significant number of unprotected AJAX handlers, which represent a large attack surface. While the plugin demonstrates good practices in SQL query handling and output escaping, the absence of authentication checks on 10 out of 10 AJAX entry points is a critical weakness. This could allow any authenticated user, regardless of their privileges, to trigger potentially sensitive actions or expose information through these handlers.
The taint analysis reveals two high-severity flows with unsanitized paths, suggesting that user-supplied input might be reaching sensitive functions without proper validation or sanitization. This is exacerbated by the fact that these flows could be triggered via the unprotected AJAX handlers. The plugin's vulnerability history is currently clean, with no recorded CVEs. This might indicate that the plugin is either new, has not been extensively targeted, or that previous versions did not have discoverable vulnerabilities. However, the static analysis findings, particularly the unprotected AJAX endpoints and high-severity taint flows, present immediate risks that need to be addressed.
In conclusion, while "secure-tfa" v1.0.0 benefits from robust SQL prepared statements and output escaping, its security is severely undermined by its unprotected AJAX entry points and high-severity taint analysis findings. These weaknesses create a significant risk of privilege escalation, unauthorized actions, or data exposure. The absence of past vulnerabilities should not lead to complacency, given the identified static analysis risks.
Key Concerns
- Unprotected AJAX handlers
- High severity unsanitized taint flows
- 100% AJAX handlers without auth
- File operations detected
- External HTTP requests detected
- Only 1 nonce check for 10 AJAX handlers
- Capability checks limited (3)
Secure 2FA Security Vulnerabilities
Secure 2FA Code Analysis
SQL Query Safety
Output Escaping
Data Flow Analysis
Secure 2FA Attack Surface
AJAX Handlers 10
WordPress Hooks 18
Maintenance & Trust
Secure 2FA Maintenance & Trust
Maintenance Signals
Community Trust
Secure 2FA Alternatives
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Secure 2FA Developer Profile
6 plugins · 1K total installs
How We Detect Secure 2FA
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/secure-tfa/assets/frontend/css/tfa.login.css/wp-content/plugins/secure-tfa/assets/frontend/js/tfa.login.jstfa.login.jssecure-tfa/1.0.0HTML / DOM Fingerprints
secure_tfa_object