PLUGIN SECURITY
Is Two Factor safe?
Enable Two-Factor Authentication (2FA) using time-based one-time passwords (TOTP), email, and backup verification codes.
What this plugin does
- Slug:
two-factor - Author: WordPress.org
- 100000+ active installs
- 96/100 rating (208 reviews on wordpress.org)
- 1931743 all-time downloads
- On WordPress.org since 2015-08-10
2FAauthenticationMFAsecuritytotp
Maintenance status
- Latest known version: 0.16.0
- Last updated: 2026-09-28 4:57am GMT
- Tested up to WordPress: 7.1.3
- Requires PHP: 7.4+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
1 known CVE on file for Two Factor. Reported between 2026 and 2026.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-100508 | Two Factor [two-factor] < 0.17.0 | Allocation of Resources Without Limits or Throttling | Medium 5.3 | < 0.17.0 | 0.17.0 | 2026-09-30 | ⚠ update needed |
How to fix it
Keep Two Factor updated — 0.16.0 is the latest version on wordpress.org, and each CVE above lists the exact release that fixed it ("Fixed in").
This is the plugin's full known vulnerability history, not a scan of any specific installation — run a free scan of your own site to check your exact installed version.
Safer / more established alternatives
- Wordfence Security – Firewall, Malware Scan, and Login Security — 5000000+ active installs — 94/100 (5027) — max PHP 8.4
- Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) — 3000000+ active installs — 98/100 (8868) — max PHP 8.4
- Limit Login Attempts Security – Login Security, 2FA, Firewall, Brute Force Prevention — 1000000+ active installs — 96/100 (1487) — max PHP 8.4
- Limit Login Attempts — 300000+ active installs — 92/100 (202) — max PHP 8.4
- WP 2FA – Two-factor authentication for WordPress — 100000+ active installs — 94/100 (183)
Check your own WordPress site
Run a free passive scan now, or create a free account and install the WP Clinic plugin for a deep scan of your whole hosting account and AI-assisted repair.