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Two Factor Authentication v1.16.0

Secure WordPress login with this two factor authentication (TFA / 2FA) plugin. Users for whom it is enabled will require a one-time code in order to log in. From the authors of UpdraftPlus – WP&...

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  • Audit coverage Up to date 30 versions audited
  • On Plugin Auditor since Sep 12, 2026
  • Last audited Sep 12, 2026

Compatibility & requirements

The PHP and WordPress versions this plugin needs, and how current its version support is.

  • Requires PHP 5.6+
  • Requires WordPress 3.4+
  • Tested up to WP 7.1 WP 7.1.3 is current
  • Version adoption 73% run the current version

Audit scores by category

125 checks

How this plugin scores across the six areas we audit, from security to accessibility.

  • 82 Passed
  • 33 Warnings
  • 10 Failed
Security 59/100
Needs Improvement

22 of 37 checks passed.

Code Quality 70/100
Needs Improvement

43 of 61 checks passed.

Performance 67/100
Needs Improvement

8 of 12 checks passed.

Compatibility 83/100
Good

5 of 6 checks passed.

Privacy 33/100
Poor

1 of 3 checks passed.

Accessibility 50/100
Needs Improvement

3 of 6 checks passed.

Code footprint

How much code ships in this plugin, and the file types that make it up.

View in detail

ZIP file size

241.4 KB

738.5 KB unzipped

Total files

48

across all file types

Lines of PHP

4,457

in 15 files Small

File types

  • PHP
  • JS
  • MO
  • PO
  • Other

Top issues

The most important findings from the latest audit, ordered by severity.

  • 6 Critical
  • 139 High
  • 87 Medium
  • 58 Low

This is a preview of notable findings. Full file-level results, line numbers and code context are in the scan.

View full report

How scores changed across versions

Across 30 audited versions of Two Factor Authentication, Performance improved the most (+9). The largest regression was in Security (-6). The codebase grew 33% in size.

Audited 1.7.2 → 1.16.0 · 30 versions

0 50 100 1.7.2 1.10.4 1.14.14 1.16.0

How issues changed across versions

Findings by severity for each audited version, so you can see which issues were fixed over time.

0 185 370 1.7.2 1.10.4 1.14.14 1.16.0

Download momentum

How fast this plugin is being installed lately, and whether that pace is rising or slowing.

Last 7 days

579

downloads

Today

94

downloads

Week over week

+1%

vs previous week

Month over month

+4%

vs previous month

Download trend: Steady. Abandonment risk: None.

Version intelligence

27% of installs run an older version

≈ 5.4K+ sites on a lower-scoring version.

  • Other
  • v1.14
  • v1.15
  • v1.16

Ratings

77 ratings on WordPress.org

  • 5 62
  • 4 2
  • 3 3
  • 2 1
  • 1 9

Maintenance & history

How actively this plugin is kept up, from its last update to its release history.

Last updated

This month

Mar 25, 2026

Actively maintained

Release cadence

~ every 19 days

average between releases

Total releases

97

since Mar 2015 · 11 yrs

Contributors & developers

The people credited with building and maintaining this plugin.

Running Two Factor Authentication in Your Site?

Our latest audit of Two Factor Authentication v1.16.0 flagged 290 issues. Scan your own copy to see each one with its exact file, line number, and a recommended fix.

Two Factor Authentication and its trademarks are used only to identify the plugin analyzed and remain the property of their owners. This is an independent Plugin Auditor audit, not affiliated with, sponsored by, or endorsed by the plugin's developer. Metadata may come from WordPress.org; scores, findings, classifications, and visualizations are independently generated by Plugin Auditor. Full disclaimer.